Страница 67, часть 1 - гдз по физике 8 класс учебник часть 1, 2 Генденштейн, Булатова

Авторы: Генденштейн Л. Э., Булатова А. А., Корнильев И. Н., Кошкина А. В.

Тип: Учебник

Издательство: Просвещение

Год издания: 2019 - 2026

Уровень обучения: базовый

Часть: 1

Цвет обложки: бирюзовый

ISBN: 978-5-09-107478-9

Часть 1. Cтраница 67

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
  #primaryKey: "id"
  #keyType: "int"
  +incrementing: true
  #with: []
  #withCount: []
  +preventsLazyLoading: false
  #perPage: 15
  +exists: true
  +wasRecentlyCreated: false
  #escapeWhenCastingToString: false
  #attributes: array:21 [
    "id" => 1494656
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "67"
    "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/page-1-67"
    "field_display_title" => "67"
    "field_folder" => "1"
    "field_image_name" => "67"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1015
      #items: array:1 [
        0 => App\Models\Branch {#1014
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1493702
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => null
            "field_branch_order" => "1"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1019
              #items: array:1 [
                0 => App\Models\Term {#1016
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_page_start" => "6"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1053
              #items: array:1 [
                0 => App\Models\Book {#1018
                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:50 [
                    "id" => 2219
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_tree_default_status" => "tasks"
                    "field_pages_status" => null
                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1020
                      #items: array:1 [
                        0 => App\Models\Term {#1017
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:10 [ …10]
                          #original: array:10 [ …10]
                          #changes: []
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                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1021
                      #items: array:1 [
                        0 => App\Models\Term {#1022
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1023
                      #items: array:1 [
                        0 => App\Models\Term {#1024
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1025
                      #items: array:4 [
                        0 => App\Models\Term {#1026
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [ …12]
                          #original: array:12 [ …12]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Term {#1027
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [ …12]
                          #original: array:12 [ …12]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Term {#1028
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [ …12]
                          #original: array:12 [ …12]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        3 => App\Models\Term {#1029
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:12 [ …12]
                          #original: array:12 [ …12]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1030
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1031
                      #items: array:1 [
                        0 => App\Models\Term {#1032
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:10 [ …10]
                          #original: array:10 [ …10]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1033
                      #items: array:1 [
                        0 => App\Models\Term {#1034
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1035
                      #items: array:1 [
                        0 => App\Models\Term {#1036
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1037
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1038
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1039
                      #items: array:1 [
                        0 => App\Models\Term {#1040
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1041
                      #items: array:1 [
                        0 => App\Models\Term {#1042
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:10 [ …10]
                          #original: array:10 [ …10]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1043
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1044
                      #items: array:1 [
                        0 => App\Models\Term {#1045
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
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                          #perPage: 15
                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:12 [ …12]
                          #original: array:12 [ …12]
                          #changes: []
                          #casts: []
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                          #dateFormat: null
                          #appends: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
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                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
                    "field_publication_year" => "2019"
                    "field_publication_year_until" => null
                    "field_part" => "1, 2"
                    "field_part_writing" => "Часть"
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебное пособие"
                    "field_allowed" => null
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "832"
                    "field_priority" => null
                    "field_default_folder" => "/fizika_08/gendenshtejn-u/"
                    "field_isbn" => "978-5-09-107478-9"
                    "field_cover" => array:2 [
                      0 => "/media/fizika_08/gendenshtejn-u/covers/cover1.webp?ts=1761057427"
                      1 => "/media/fizika_08/gendenshtejn-u/covers/cover2.webp?ts=1761057427"
                    ]
                    "field_cover_alts" => array:2 [
                      0 => ""
                      1 => ""
                    ]
                    "field_covers" => array:2 [
                      0 => array:4 [
                        "path" => "/media/fizika_08/gendenshtejn-u/covers/cover1.webp?ts=1761057427"
                        "alt" => ""
                        "width" => "1873"
                        "height" => "2761"
                      ]
                      1 => array:4 [
                        "path" => "/media/fizika_08/gendenshtejn-u/covers/cover2.webp?ts=1761057427"
                        "alt" => ""
                        "width" => "1858"
                        "height" => "2754"
                      ]
                    ]
                    "field_popular_book" => "0"
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1046
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1047
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1048
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1049
                      #items: array:1 [
                        0 => App\Models\Term {#1050
                          #connection: "mysql"
                          #table: "terms"
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                          #keyType: "int"
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                          #attributes: array:6 [ …6]
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                        }
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                    }
                    "field_metatags_title" => null
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                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [
                      "class" => 379
                      "subject" => 556
                      "class_subject" => 492
                    ]
                  ]
                  #original: array:50 [
                    "id" => 2219
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_tree_default_status" => "tasks"
                    "field_pages_status" => null
                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1020}
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1021}
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1023}
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1025}
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1030}
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1031}
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1033}
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1035}
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1037}
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1038}
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1039}
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1041}
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1043}
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1044}
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
                    "field_publication_year" => "2019"
                    "field_publication_year_until" => null
                    "field_part" => "1, 2"
                    "field_part_writing" => "Часть"
                    "field_second_foreign_language" => null
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                      ]
                      1 => array:4 [
                        "path" => "/media/fizika_08/gendenshtejn-u/covers/cover2.webp?ts=1761057427"
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            "content" => Illuminate\Database\Eloquent\Collection {#4949
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                0 => App\Models\Element {#4948
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            "next" => array:2 [
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              #items: array:3 [
                0 => App\Models\Task {#5040
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                }
                1 => App\Models\Task {#5047
                  #connection: "mysql"
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                  #keyType: "int"
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                }
                2 => App\Models\Task {#5054
                  #connection: "mysql"
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    "previous" => Illuminate\Database\Eloquent\Collection {#4910
      #items: array:1 [
        0 => App\Models\BookPage {#4909
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4911
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                0 => App\Models\Branch {#1129}
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            }
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            "content" => Illuminate\Database\Eloquent\Collection {#4923
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                }
                1 => App\Models\Task {#5015
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                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
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            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1078
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1077
              #items: array:1 [
                0 => App\Models\Branch {#1014}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1119
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Branch {#1138
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1080
              #items: array:2 [
                0 => App\Models\Element {#1110
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
                  #original: array:7 [ …7]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1109
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                   …1
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1493950"
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            ]
            "previous" => array:2 [
              "refs" => "1493948"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1114
              #items: array:1 [
                0 => App\Models\Book {#1018}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1494800"
              "type" => "book_page"
            ]
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          #original: array:24 [
            "id" => 1493949
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "66"
            "field_page_end" => "67"
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-20"
            "field_display_title" => "20"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1079}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1078}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1077}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1119}
            "content" => Illuminate\Database\Eloquent\Collection {#1080}
            "next" => array:2 [
              "refs" => "1493950"
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            ]
            "previous" => array:2 [
              "refs" => "1493948"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1114}
            "page" => array:2 [
              "refs" => "1494800"
              "type" => "book_page"
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            0 => "*"
          ]
        }
        1 => App\Models\Task {#1117
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1493950
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-21"
            "field_display_title" => "21"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1126
              #items: array:1 [
                0 => App\Models\Term {#1076}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1112
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            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1115
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1083
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                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1084
              #items: array:2 [
                0 => App\Models\Element {#1094 …30}
                1 => App\Models\Element {#1092 …30}
              ]
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            }
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            "book" => Illuminate\Database\Eloquent\Collection {#1096
              #items: array:1 [
                0 => App\Models\Book {#1018}
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              #escapeWhenCastingToString: false
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            "field_display_title" => "21"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1126}
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1083}
            "content" => Illuminate\Database\Eloquent\Collection {#1084}
            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1096}
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            0 => "*"
          ]
        }
        2 => App\Models\Task {#1101
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #attributes: array:24 [
            "id" => 1493951
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
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            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-22"
            "field_display_title" => "22"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1116
              #items: array:1 [
                0 => App\Models\Term {#1076}
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            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1095
              #items: []
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1097
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1102
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1100
              #items: array:2 [
                0 => App\Models\Element {#1118 …30}
                1 => App\Models\Element {#1127 …30}
              ]
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            "next" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1082
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                0 => App\Models\Book {#1018}
              ]
              #escapeWhenCastingToString: false
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            "page" => array:2 [
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            "field_display_title" => "22"
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1097}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1102}
            "content" => Illuminate\Database\Eloquent\Collection {#1100}
            "next" => array:2 [
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              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1082}
            "page" => array:2 [
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            0 => "*"
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        }
        3 => App\Models\Task {#1090
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
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          #with: []
          #withCount: []
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          #attributes: array:24 [
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            "created_at" => "2026-04-10 13:58:26"
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            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-23"
            "field_display_title" => "23"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1098
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                0 => App\Models\Term {#1076}
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              #escapeWhenCastingToString: false
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              #items: []
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1085
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1087
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1088
              #items: array:2 [
                0 => App\Models\Element {#1145 …30}
                1 => App\Models\Element {#1155 …30}
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            "book" => Illuminate\Database\Eloquent\Collection {#1146
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              #escapeWhenCastingToString: false
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            "field_display_title" => "23"
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1087}
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            "book" => Illuminate\Database\Eloquent\Collection {#1146}
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            0 => "*"
          ]
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        4 => App\Models\Task {#1121
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #attributes: array:24 [
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            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1086
              #items: array:1 [
                0 => App\Models\Term {#1076}
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            }
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              #items: []
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1143
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1124
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1122
              #items: array:2 [
                0 => App\Models\Element {#1165 …30}
                1 => App\Models\Element {#1167 …30}
              ]
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            "book" => Illuminate\Database\Eloquent\Collection {#1162
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            "field_display_title" => "24"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1086}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1147}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1143}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1124}
            "content" => Illuminate\Database\Eloquent\Collection {#1122}
            "next" => array:2 [
              "refs" => "1493954"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493952"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1162}
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1157
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1493954
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-25"
            "field_display_title" => "25"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1140
              #items: array:1 [
                0 => App\Models\Term {#1076}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1164
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1160
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1158
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1159
              #items: array:2 [
                0 => App\Models\Element {#1177 …30}
                1 => App\Models\Element {#1179 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1493955"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493953"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1174
              #items: array:1 [
                0 => App\Models\Book {#1018}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1493954
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-25"
            "field_display_title" => "25"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1140}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1164}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1160}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1158}
            "content" => Illuminate\Database\Eloquent\Collection {#1159}
            "next" => array:2 [
              "refs" => "1493955"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493953"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1174}
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1169
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1493955
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-26"
            "field_display_title" => "26"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1161
              #items: array:1 [
                0 => App\Models\Term {#1076}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1176
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1172
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1170
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:2 [
                0 => App\Models\Element {#1189 …30}
                1 => App\Models\Element {#1191 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1493956"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493954"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1186
              #items: array:1 [
                0 => App\Models\Book {#1018}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1493955
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-26"
            "field_display_title" => "26"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1161}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1176}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1172}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1170}
            "content" => Illuminate\Database\Eloquent\Collection {#1171}
            "next" => array:2 [
              "refs" => "1493956"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493954"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1186}
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        7 => App\Models\Task {#1181
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1493956
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-27"
            "field_display_title" => "27"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1173
              #items: array:1 [
                0 => App\Models\Term {#1076}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1188
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1184
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1183
              #items: array:2 [
                0 => App\Models\Element {#1201 …30}
                1 => App\Models\Element {#1203 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1493957"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493955"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1198
              #items: array:1 [
                0 => App\Models\Book {#1018}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1493956
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-27"
            "field_display_title" => "27"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1173}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1188}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1184}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1182}
            "content" => Illuminate\Database\Eloquent\Collection {#1183}
            "next" => array:2 [
              "refs" => "1493957"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493955"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1198}
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        8 => App\Models\Task {#1193
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1493957
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => "68"
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-28"
            "field_display_title" => "28"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1185
              #items: array:1 [
                0 => App\Models\Term {#1076}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1200
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:1 [
                0 => App\Models\Branch {#1129}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1194
              #items: array:3 [
                0 => App\Models\Branch {#1129}
                1 => App\Models\Branch {#1133}
                2 => App\Models\Branch {#1138}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1195
              #items: array:2 [
                0 => App\Models\Element {#1213 …30}
                1 => App\Models\Element {#1215 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1493958"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493956"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1210
              #items: array:1 [
                0 => App\Models\Book {#1018}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1493957
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "67"
            "field_page_end" => "68"
            "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/07-28"
            "field_display_title" => "28"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1185}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1200}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1196}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1194}
            "content" => Illuminate\Database\Eloquent\Collection {#1195}
            "next" => array:2 [
              "refs" => "1493958"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1493956"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1210}
            "page" => array:2 [
              "refs" => "1494801"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1494656
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "67"
    "field_url" => "/8-klass/fizika/gendenshtejn-uchebnik/page-1-67"
    "field_display_title" => "67"
    "field_folder" => "1"
    "field_image_name" => "67"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1015}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1006}
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1007}
    "content" => Illuminate\Database\Eloquent\Collection {#1057}
    "next" => array:2 [
      "refs" => "1494657"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1494655"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1008}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 8 класс Учебник, авторы: Генденштейн Лев Элевич, Булатова Альбина Александрова, Корнильев Игорь Николаевич, Кошкина Анжелика Васильевна, издательство Просвещение, Москва, 2019, бирюзового цвета, Часть 1, страница 67
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