Страница 123 - гдз по физике 10-11 класс задачник Гельфгат, Генденштейн

Физика, 10-11 класс Задачник, авторы: Гельфгат Илья Маркович, Генденштейн Лев Элевич, Кирик Леонид Анатольевич, издательство Илекса, Москва, 2008, красного цвета

Авторы: Гельфгат И. М., Генденштейн Л. Э., Кирик Л. А.

Тип: Задачник

Издательство: Илекса

Год издания: 2008 - 2026

Уровень обучения: профильный

Цвет обложки: красный лупа, парень едет на велосипеде

ISBN: 978-5-89237-252-7

Cтраница 123

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                    "id" => 46
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "красный"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "krasnyy"
                  ]
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                    "id" => 46
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "красный"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "krasnyy"
                  ]
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            "id" => 5400
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
            "field_pages_status" => null
            "field_subject" => Illuminate\Database\Eloquent\Collection {#1009}
            "field_class" => Illuminate\Database\Eloquent\Collection {#1010}
            "field_publisher" => Illuminate\Database\Eloquent\Collection {#1013}
            "field_author" => Illuminate\Database\Eloquent\Collection {#1015}
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1019}
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1020}
            "field_country" => Illuminate\Database\Eloquent\Collection {#1022}
            "field_city" => Illuminate\Database\Eloquent\Collection {#1024}
            "field_series" => Illuminate\Database\Eloquent\Collection {#1026}
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1027}
            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1028}
            "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1030}
            "field_publication_number" => null
            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1031}
            "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1032}
            "field_under_the_edition_degree" => null
            "field_cover_description" => "лупа, парень едет на велосипеде"
            "field_publication_year" => "2008"
            "field_publication_year_until" => null
            "field_part" => ""
            "field_part_writing" => ""
            "field_second_foreign_language" => null
            "field_for_whom" => "Учебное издание"
            "field_allowed" => null
            "field_reserve_field" => null
            "field_link_to_source" => null
            "field_tasks_count" => "459"
            "field_priority" => null
            "field_default_folder" => "/fizika_10/gelfgat-z/"
            "field_isbn" => "978-5-89237-252-7"
            "field_cover" => array:1 [
              0 => "/media/fizika_10/gelfgat-z/covers/cover1.webp"
            ]
            "field_cover_alts" => array:1 [
              0 => ""
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            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/fizika_10/gelfgat-z/covers/cover1.webp"
                "alt" => ""
                "width" => "1566"
                "height" => "2412"
              ]
            ]
            "field_popular_book" => "0"
            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1033}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1034}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1035}
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1036}
            "field_metatags_title" => null
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            "field_h1" => null
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            "breadcrumbs" => array:3 [
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            ]
          ]
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    "field_metatags_title" => null
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    "field_h1" => null
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    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1038
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      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1049
      #items: array:1 [
        0 => App\Models\Element {#1048
          #connection: "mysql"
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            "id" => 1519629
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1058
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                0 => App\Models\Edition {#1050
                  #connection: "mysql"
                  #table: "editions"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
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                  #attributes: array:21 [
                    "id" => 5430
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "title" => "Условие"
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                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1052 …2}
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => null
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "stas"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1053 …2}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1054 …2}
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1055 …2}
                    "field_content_source" => null
                  ]
                  #original: array:21 [
                    "id" => 5430
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1052 …2}
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => null
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
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                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1053 …2}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1054 …2}
                    "field_process_formula" => "katex"
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1055 …2}
                    "field_content_source" => null
                  ]
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                    0 => "*"
                  ]
                }
              ]
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            "book_page" => array:2 [
              "refs" => "1341084"
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            "img" => array:1 [
              0 => array:5 [
                "name" => "123-1.jpg"
                "alt" => null
                "width" => "1591"
                "height" => 2459
                "path" => "/media/fizika_10/gelfgat-z/0-1/123-1.webp?ts=1756642331"
              ]
            ]
          ]
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            "created_at" => "2026-04-10 00:54:11"
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            "edition" => Illuminate\Database\Eloquent\Collection {#1058}
            "book_page" => array:2 [
              "refs" => "1341084"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "123-1.jpg"
                "alt" => null
                "width" => "1591"
                "height" => 2459
                "path" => "/media/fizika_10/gelfgat-z/0-1/123-1.webp?ts=1756642331"
              ]
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#3920
      #items: array:1 [
        0 => App\Models\BookPage {#3919
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          +wasRecentlyCreated: false
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          #attributes: array:21 [
            "id" => 1341085
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "124"
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik/page-124"
            "field_display_title" => "124"
            "field_folder" => "1"
            "field_image_name" => "124"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#3931
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#3930
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "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 {#3932
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#3982
              #items: array:1 [
                0 => App\Models\Element {#3979
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1519630
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#3980 …2}
                    "book_page" => array:2 [ …2]
                    "img" => array:1 [ …1]
                  ]
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                    "id" => 1519630
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#3980 …2}
                    "book_page" => array:2 [ …2]
                    "img" => array:1 [ …1]
                  ]
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1341086"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1341084"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#3924
              #items: array:1 [
                0 => App\Models\Task {#1156
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #attributes: array:24 [
                    "id" => 1319584
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "field_page_start" => "123"
                    "field_page_end" => "125"
                    "field_url" => "/10-klass/fizika/gelfgat-zadachnik/olimp-70"
                    "field_display_title" => "70"
                    "field_outside_task" => "0"
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1139
                      #items: array:1 [
                        0 => App\Models\Term {#1062
                          #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:6 [
                            "id" => 26
                            "created_at" => "2026-04-10 00:54:11"
                            "updated_at" => null
                            "name" => "номер"
                            "field_cases" => array:6 [ …6]
                            "field_short_name" => ""
                          ]
                          #original: array:6 [
                            "id" => 26
                            "created_at" => "2026-04-10 00:54:11"
                            "updated_at" => null
                            "name" => "номер"
                            "field_cases" => array:6 [ …6]
                            "field_short_name" => ""
                          ]
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                          #touches: []
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                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
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                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1150
                      #items: []
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                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1152
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                        0 => App\Models\Branch {#1187
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
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                          #perPage: 15
                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:23 [
                            "id" => 1319310
                            "created_at" => "2026-04-10 00:54:11"
                            "updated_at" => null
                            "field_display_title" => "Молекулярная физика и термодинамика"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1188 …2}
                            "field_page_start" => "104"
                            "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" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1189 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1190 …2}
                          ]
                          #original: array:23 [
                            "id" => 1319310
                            "created_at" => "2026-04-10 00:54:11"
                            "updated_at" => null
                            "field_display_title" => "Молекулярная физика и термодинамика"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1188 …2}
                            "field_page_start" => "104"
                            "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" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1189 …2}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1190 …2}
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1373
                      #items: array:4 [
                        0 => App\Models\Branch {#1383
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
                          #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\Branch {#1387
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
                          #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\Branch {#1391
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:23 [ …23]
                          #original: array:23 [ …23]
                          #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\Branch {#1395
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
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                        1 => App\Models\Element {#1362
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            "updated_at" => null
            "field_page_start" => "122"
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik/page-122"
            "field_display_title" => "122"
            "field_folder" => "1"
            "field_image_name" => "122"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#3916}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#3917}
            "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 {#3918}
            "content" => Illuminate\Database\Eloquent\Collection {#3928}
            "next" => array:2 [
              "refs" => "1341084"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1341082"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#3921}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1039
      #items: array:3 [
        0 => App\Models\Task {#1061
          #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" => 1319582
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "123"
            "field_page_end" => null
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik/16-13"
            "field_display_title" => "16.13"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1065
              #items: array:1 [
                0 => App\Models\Term {#1062}
              ]
              #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 {#1064
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1102
              #items: array:1 [
                0 => App\Models\Branch {#1063
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [
                    "id" => 1319310
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "field_display_title" => "Молекулярная физика и термодинамика"
                    "field_branch_order" => null
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1067 …2}
                    "field_page_start" => "104"
                    "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" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1066 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1099 …2}
                  ]
                  #original: array:23 [
                    "id" => 1319310
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "field_display_title" => "Молекулярная физика и термодинамика"
                    "field_branch_order" => null
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1067 …2}
                    "field_page_start" => "104"
                    "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" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1066 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1099 …2}
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1177
              #items: array:4 [
                0 => App\Models\Branch {#1187}
                1 => App\Models\Branch {#1191
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [
                    "id" => 1319311
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "field_display_title" => "Молекулярная физика"
                    "field_branch_order" => null
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1192 …2}
                    "field_page_start" => "104"
                    "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"
                     …9
                  ]
                  #original: array:23 [ …23]
                  #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\Branch {#1195
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #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\Branch {#1237
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:23 [ …23]
                  #original: array:23 [ …23]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1136
              #items: array:2 [
                0 => App\Models\Element {#1166
                  #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: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1164
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1319583"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1319581"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1168
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1341084"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1319582
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "123"
            "field_page_end" => null
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik/16-13"
            "field_display_title" => "16.13"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1065}
            "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 {#1064}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1102}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1177}
            "content" => Illuminate\Database\Eloquent\Collection {#1136}
            "next" => array:2 [
              "refs" => "1319583"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1319581"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1168}
            "page" => array:2 [
              "refs" => "1341084"
              "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 => "*"
          ]
        }
        1 => App\Models\Task {#1170
          #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" => 1319583
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "123"
            "field_page_end" => null
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik/16-14"
            "field_display_title" => "16.14"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1185
              #items: array:1 [
                0 => App\Models\Term {#1062}
              ]
              #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 {#1167
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1173
              #items: array:1 [
                0 => App\Models\Branch {#1187}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:4 [
                0 => App\Models\Branch {#1187}
                1 => App\Models\Branch {#1191}
                2 => App\Models\Branch {#1195}
                3 => App\Models\Branch {#1237}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1174
              #items: array:2 [
                0 => App\Models\Element {#1149
                  #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: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1145
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1319584"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1319582"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1151
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1341084"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1319583
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "123"
            "field_page_end" => null
            "field_url" => "/10-klass/fizika/gelfgat-zadachnik/16-14"
            "field_display_title" => "16.14"
            "field_outside_task" => null
            "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 {#1167}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1173}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1171}
            "content" => Illuminate\Database\Eloquent\Collection {#1174}
            "next" => array:2 [
              "refs" => "1319584"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1319582"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1151}
            "page" => array:2 [
              "refs" => "1341084"
              "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 => "*"
          ]
        }
        2 => App\Models\Task {#1156}
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1341084
    "created_at" => "2026-04-10 00:54:11"
    "updated_at" => null
    "field_page_start" => "123"
    "field_url" => "/10-klass/fizika/gelfgat-zadachnik/page-123"
    "field_display_title" => "123"
    "field_folder" => "1"
    "field_image_name" => "123"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1040}
    "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 {#1038}
    "content" => Illuminate\Database\Eloquent\Collection {#1049}
    "next" => array:2 [
      "refs" => "1341085"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1341083"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1039}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 10-11 класс Задачник, авторы: Гельфгат Илья Маркович, Генденштейн Лев Элевич, Кирик Леонид Анатольевич, издательство Илекса, Москва, 2008, красного цвета, страница 123
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