Страница 40 - гдз по физике 8 класс самостоятельные работы Генденштейн, Орлов

Физика, 8 класс Самостоятельные работы, авторы: Генденштейн Лев Элевич, Орлов Владимир Алексеевич, Никифоров Геннадий Григорьевич, издательство Мнемозина, Москва, 2011, бирюзового цвета

Авторы: Генденштейн Л. Э., Орлов В. А., Никифоров Г. Г.

Тип: Самостоятельные работы

Издательство: Мнемозина

Год издания: 2011 - 2026

Цвет обложки: бирюзовый

ISBN: 978-5-346-03629-6

Cтраница 40

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
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    "field_display_title" => "40"
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    "field_image_name" => "40"
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    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016
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        0 => App\Models\Book {#1015
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          #table: "books"
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              #escapeWhenCastingToString: false
            }
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            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1048
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                0 => App\Models\Term {#1045
                  #connection: "mysql"
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                    "id" => 6978
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_cases" => array:6 [ …6]
                    "field_translit" => "biruzovyy"
                  ]
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                    "updated_at" => null
                    "name" => "бирюзовый"
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                    "field_translit" => "biruzovyy"
                  ]
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            ]
          ]
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            "id" => 1975
            "created_at" => "2026-04-10 13:58:26"
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#1020}
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            "field_publication_number" => "4"
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            "field_cover_description" => null
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            "field_part" => ""
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            "field_for_whom" => "Учебное пособие"
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            "field_link_to_source" => null
            "field_tasks_count" => "153"
            "field_priority" => null
            "field_default_folder" => "/fizika_08/gendenshtejn-sr/"
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            "field_cover" => array:1 [
              0 => "/media/fizika_08/gendenshtejn-sr/covers/cover1.webp?ts=1760447756"
            ]
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              0 => ""
            ]
            "field_covers" => array:1 [
              0 => array:4 [
                "path" => "/media/fizika_08/gendenshtejn-sr/covers/cover1.webp?ts=1760447756"
                "alt" => ""
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              ]
            ]
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            "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1038}
            "field_new_book" => Illuminate\Database\Eloquent\Collection {#1043}
            "field_old_book" => Illuminate\Database\Eloquent\Collection {#1044}
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty"
            "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1048}
            "field_metatags_title" => null
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            ]
          ]
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        }
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    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1007
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    }
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        0 => App\Models\Element {#1049
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          #attributes: array:6 [
            "id" => 1760213
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            "edition" => Illuminate\Database\Eloquent\Collection {#1059
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                0 => App\Models\Edition {#1051
                  #connection: "mysql"
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                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #attributes: array:21 [
                    "id" => 6403
                    "created_at" => "2026-04-10 13:58:26"
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                    "title" => "Условие"
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                    "field_content_type" => "free"
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                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
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                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1054 …2}
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                    "field_process_formula" => "katex"
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                    "field_content_source" => null
                  ]
                  #original: array:21 [
                    "id" => 6403
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1053 …2}
                    "field_content_type" => "free"
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                    "field_solution_author" => "Автор"
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                    "field_content_source" => null
                  ]
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                    0 => "*"
                  ]
                }
              ]
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            "book_page" => array:2 [
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            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "40-1.jpg"
                "alt" => null
                "width" => "2003"
                "height" => 2383
                "path" => "/media/fizika_08/gendenshtejn-sr/0-1/40-1.webp?ts=1760790821"
              ]
            ]
          ]
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            "id" => 1760213
            "created_at" => "2026-04-10 13:58:26"
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            "edition" => Illuminate\Database\Eloquent\Collection {#1059}
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              "refs" => "1468395"
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                "width" => "2003"
                "height" => 2383
                "path" => "/media/fizika_08/gendenshtejn-sr/0-1/40-1.webp?ts=1760790821"
              ]
            ]
          ]
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#6020
      #items: array:1 [
        0 => App\Models\BookPage {#5952
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 1468396
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "41"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/page-41"
            "field_display_title" => "41"
            "field_folder" => "1"
            "field_image_name" => "41"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5962
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5991
              #items: array:1 [
                0 => App\Models\Book {#1015}
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              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#5992
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            }
            "content" => Illuminate\Database\Eloquent\Collection {#5981
              #items: array:1 [
                0 => App\Models\Element {#5982
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  #attributes: array:6 [
                    "id" => 1760214
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#5980 …2}
                    "book_page" => array:2 [ …2]
                    "img" => array:1 [ …1]
                  ]
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                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#5980 …2}
                    "book_page" => array:2 [ …2]
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                  ]
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                    0 => "*"
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                }
              ]
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            }
            "next" => array:2 [
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            ]
            "previous" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6055
              #items: array:4 [
                0 => App\Models\Task {#6065
                  #connection: "mysql"
                  #table: "tasks"
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                  #keyType: "int"
                  +incrementing: true
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                  #attributes: array:24 [
                    "id" => 1468569
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "40"
                    "field_page_end" => "41"
                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-3"
                    "field_display_title" => "3"
                    "field_outside_task" => "0"
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#6069 …2}
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                  ]
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                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#6072
                  #connection: "mysql"
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                  #keyType: "int"
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                  #attributes: array:24 [
                    "id" => 1468570
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "41"
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                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6073 …2}
                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#6074 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#6075 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#6076 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#6078 …2}
                    "next" => array:2 [ …2]
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                    "book" => Illuminate\Database\Eloquent\Collection {#6084 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 1468570
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "41"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-4"
                    "field_display_title" => "4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6073 …2}
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                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#6079
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 1468571
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "41"
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                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-5"
                    "field_display_title" => "5"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6077 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#6086 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#6096 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 1468571
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "41"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-5"
                    "field_display_title" => "5"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6077 …2}
                    "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 {#6086 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#6082 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#6080 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#6081 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#6096 …2}
                    "page" => array:2 [ …2]
                  ]
                  #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 => "*"
                  ]
                }
                3 => App\Models\Task {#6091
                  #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" => 1468572
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "41"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-6"
                    "field_display_title" => "6"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6083 …2}
                    "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 {#6098 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#6094 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#6092 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#6093 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#6108 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 1468572
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "41"
                    "field_page_end" => null
                    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-6"
                    "field_display_title" => "6"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6083 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                     …8
                  ]
                  #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
            }
          ]
          #original: array:21 [
            "id" => 1468396
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "41"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/page-41"
            "field_display_title" => "41"
            "field_folder" => "1"
            "field_image_name" => "41"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5962}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5991}
            "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 {#5992}
            "content" => Illuminate\Database\Eloquent\Collection {#5981}
            "next" => array:2 [
              "refs" => "1468397"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6055}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#5947
      #items: array:1 [
        0 => App\Models\BookPage {#5946
          #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" => 1468394
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "39"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/page-39"
            "field_display_title" => "39"
            "field_folder" => "1"
            "field_image_name" => "39"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5948
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5949
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #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 {#5950
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#5960
              #items: array:1 [
                0 => App\Models\Element {#5959
                  #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: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1468393"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6023
              #items: array:2 [
                0 => App\Models\Task {#6031
                  #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 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#6038
                  #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 [ …24]
                  #original: array:24 [ …24]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1468394
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "39"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/page-39"
            "field_display_title" => "39"
            "field_folder" => "1"
            "field_image_name" => "39"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5948}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5949}
            "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 {#5950}
            "content" => Illuminate\Database\Eloquent\Collection {#5960}
            "next" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1468393"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#6023}
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1012
      #items: array:4 [
        0 => App\Models\Task {#1063
          #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" => 1468566
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "39"
            "field_page_end" => "40"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/5-5-2"
            "field_display_title" => "Правая сторона"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1064
              #items: []
              #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 {#1065
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1075
              #items: array:1 [
                0 => App\Models\Branch {#1074
                  #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: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1109
              #items: array:2 [
                0 => App\Models\Branch {#1117
                  #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: []
                  #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 {#1121
                  #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: []
                  #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 {#1067
              #items: array:2 [
                0 => App\Models\Element {#1100
                  #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 {#1099
                  #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" => "1468567"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468565"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1103
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1468394"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1468566
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "39"
            "field_page_end" => "40"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/5-5-2"
            "field_display_title" => "Правая сторона"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1064}
            "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 {#1065}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1075}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1109}
            "content" => Illuminate\Database\Eloquent\Collection {#1067}
            "next" => array:2 [
              "refs" => "1468567"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468565"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1103}
            "page" => array:2 [
              "refs" => "1468394"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
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          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Task {#1106
          #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" => 1468567
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "40"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1068
              #items: array:1 [
                0 => App\Models\Term {#1114
                  #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_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 {#1104
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1085
              #items: array:1 [
                0 => App\Models\Branch {#1082
                  #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: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1142
              #items: array:2 [
                0 => App\Models\Branch {#1150
                  #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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                  +timestamps: true
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                  #hidden: []
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                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Branch {#1154
                  #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: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1105
              #items: array:2 [
                0 => App\Models\Element {#1133
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  #perPage: 15
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                  #original: array:7 [ …7]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1132
                  #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]
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
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                  #hidden: []
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                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1468568"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468566"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1136
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
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            "id" => 1468567
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "40"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-1"
            "field_display_title" => "1"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1068}
            "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 {#1104}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1085}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1142}
            "content" => Illuminate\Database\Eloquent\Collection {#1105}
            "next" => array:2 [
              "refs" => "1468568"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468566"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1136}
            "page" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
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          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        2 => App\Models\Task {#1139
          #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" => 1468568
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "40"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1147
              #items: array:1 [
                0 => App\Models\Term {#1114}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1134
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1137
              #items: array:1 [
                0 => App\Models\Branch {#1150}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1071
              #items: array:2 [
                0 => App\Models\Branch {#1150}
                1 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1087
              #items: array:2 [
                0 => App\Models\Element {#1116
                  #connection: "mysql"
                  #table: "elements"
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                  #attributes: array:7 [ …7]
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                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1107
                  #connection: "mysql"
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                  #keyType: "int"
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                  #attributes: array:6 [ …6]
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                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1468569"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468567"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1125
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1468568
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "40"
            "field_page_end" => null
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-2"
            "field_display_title" => "2"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1147}
            "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 {#1134}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1137}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1071}
            "content" => Illuminate\Database\Eloquent\Collection {#1087}
            "next" => array:2 [
              "refs" => "1468569"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468567"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1125}
            "page" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
          ]
          #changes: []
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          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        3 => App\Models\Task {#1130
          #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" => 1468569
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "40"
            "field_page_end" => "41"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-3"
            "field_display_title" => "3"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1138
              #items: array:1 [
                0 => App\Models\Term {#1114}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1113
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1126
              #items: array:1 [
                0 => App\Models\Branch {#1150}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1128
              #items: array:2 [
                0 => App\Models\Branch {#1150}
                1 => App\Models\Branch {#1154}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1127
              #items: array:2 [
                0 => App\Models\Element {#1088
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:7 [ …7]
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                  #dateFormat: null
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                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Element {#1141
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
                  #withCount: []
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                  #attributes: array:6 [ …6]
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                  #changes: []
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                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1468570"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468568"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1089
              #items: array:1 [
                0 => App\Models\Book {#1015}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
          ]
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            "id" => 1468569
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            "updated_at" => null
            "field_page_start" => "40"
            "field_page_end" => "41"
            "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-1-3"
            "field_display_title" => "3"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1138}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1113}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1126}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1128}
            "content" => Illuminate\Database\Eloquent\Collection {#1127}
            "next" => array:2 [
              "refs" => "1468570"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1468568"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1089}
            "page" => array:2 [
              "refs" => "1468395"
              "type" => "book_page"
            ]
          ]
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          #attributeCastCache: []
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            0 => "*"
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      ]
      #escapeWhenCastingToString: false
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  ]
  #original: array:21 [
    "id" => 1468395
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "40"
    "field_url" => "/8-klass/fizika/gendenshtejn-samostoyatelnye-raboty/page-40"
    "field_display_title" => "40"
    "field_folder" => "1"
    "field_image_name" => "40"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016}
    "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 {#1050}
    "next" => array:2 [
      "refs" => "1468396"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1468394"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1012}
  ]
  #changes: []
  #casts: []
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  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 8 класс Самостоятельные работы, авторы: Генденштейн Лев Элевич, Орлов Владимир Алексеевич, Никифоров Геннадий Григорьевич, издательство Мнемозина, Москва, 2011, бирюзового цвета, страница 40
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