Страница 149 - гдз по физике 7-9 класс сборник задач Московкина, Волков

Физика, 7-9 класс Сборник задач, авторы: Московкина Елена Геннадьевна, Волков Владимир Анатольевич, издательство ВАКО, Москва, 2011

Авторы: Московкина Е. Г., Волков В. А.

Тип: Сборник задач

Издательство: ВАКО

Год издания: 2011 - 2026

Цвет обложки: синий

ISBN: 978-5-408-00459-1

Cтраница 149

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
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                0 => App\Models\Term {#1021
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            "updated_at" => null
            "field_page_start" => "150"
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/page-150"
            "field_display_title" => "150"
            "field_folder" => "1"
            "field_image_name" => "150"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4606
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4634
              #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 {#4635
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#4623
              #items: array:1 [
                0 => App\Models\Element {#4625
                  #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" => "1426254"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4633
              #items: array:7 [
                0 => App\Models\Task {#4613
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#4608
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Task {#4649
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                3 => App\Models\Task {#4598
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                4 => App\Models\Task {#4664
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                5 => App\Models\Task {#4668
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                6 => App\Models\Task {#4804
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1426253
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "150"
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/page-150"
            "field_display_title" => "150"
            "field_folder" => "1"
            "field_image_name" => "150"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4606}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4634}
            "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 {#4635}
            "content" => Illuminate\Database\Eloquent\Collection {#4623}
            "next" => array:2 [
              "refs" => "1426254"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4633}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#4590
      #items: array:1 [
        0 => App\Models\BookPage {#4589
          #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" => 1426251
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "148"
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/page-148"
            "field_display_title" => "148"
            "field_folder" => "1"
            "field_image_name" => "148"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4591
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4592
              #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 {#4593
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#4603
              #items: array:1 [
                0 => App\Models\Element {#4602
                  #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" => "1426252"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1426250"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4665
              #items: array:9 [
                0 => App\Models\Task {#4681
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                1 => App\Models\Task {#4718
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Task {#4708
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                3 => App\Models\Task {#4695
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                4 => App\Models\Task {#4724
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                5 => App\Models\Task {#4745
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                6 => App\Models\Task {#4757
                  #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: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                7 => App\Models\Task {#4769
                  #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: []
                  #observables: []
                  #relations: []
                   …7
                }
                8 => App\Models\Task {#4781 …30}
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1426251
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "148"
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/page-148"
            "field_display_title" => "148"
            "field_folder" => "1"
            "field_image_name" => "148"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4591}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4592}
            "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 {#4593}
            "content" => Illuminate\Database\Eloquent\Collection {#4603}
            "next" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1426250"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4665}
          ]
          #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 {#1041
      #items: array:10 [
        0 => App\Models\Task {#1067
          #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" => 1425993
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "148"
            "field_page_end" => "149"
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-319"
            "field_display_title" => "319"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1071
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #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 {#1070
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1080
              #items: array:1 [
                0 => App\Models\Branch {#1079 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1113
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1072
              #items: array:2 [
                0 => App\Models\Element {#1104 …30}
                1 => App\Models\Element {#1102 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1425994"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1425992"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1107
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1426251"
              "type" => "book_page"
            ]
          ]
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            "updated_at" => null
            "field_page_start" => "148"
            "field_page_end" => "149"
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-319"
            "field_display_title" => "319"
            "field_outside_task" => "0"
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1071}
            "field_metatags_title" => null
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            "field_h1" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1070}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1080}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1113}
            "content" => Illuminate\Database\Eloquent\Collection {#1072}
            "next" => array:2 [
              "refs" => "1425994"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1425992"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1107}
            "page" => array:2 [
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              "type" => "book_page"
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          #visible: []
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            0 => "*"
          ]
        }
        1 => App\Models\Task {#1110
          #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" => 1425994
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-320"
            "field_display_title" => "320"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1118
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1105
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1108
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1073
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1076
              #items: array:2 [
                0 => App\Models\Element {#1075 …30}
                1 => App\Models\Element {#1085 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "previous" => array:2 [
              "refs" => "1425993"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1090
              #items: array:1 [
                0 => App\Models\Book {#1006}
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              #escapeWhenCastingToString: false
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            "id" => 1425994
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            "field_page_end" => null
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            "field_display_title" => "320"
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            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1118}
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1105}
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1073}
            "content" => Illuminate\Database\Eloquent\Collection {#1076}
            "next" => array:2 [
              "refs" => "1425995"
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            ]
            "previous" => array:2 [
              "refs" => "1425993"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1090}
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
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          #dateFormat: null
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            0 => "*"
          ]
        }
        2 => App\Models\Task {#1096
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1425995
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-321"
            "field_display_title" => "321"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1109
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1088
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1089
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1093
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1092
              #items: array:2 [
                0 => App\Models\Element {#1117 …30}
                1 => App\Models\Element {#1129 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "previous" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1120
              #items: array:1 [
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              #escapeWhenCastingToString: false
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            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-321"
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            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1109}
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1088}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1089}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1093}
            "content" => Illuminate\Database\Eloquent\Collection {#1092}
            "next" => array:2 [
              "refs" => "1425996"
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            "previous" => array:2 [
              "refs" => "1425994"
              "type" => "task"
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            "book" => Illuminate\Database\Eloquent\Collection {#1120}
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
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            0 => "*"
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        }
        3 => App\Models\Task {#1074
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #attributes: array:24 [
            "id" => 1425996
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-322"
            "field_display_title" => "322"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1091
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #escapeWhenCastingToString: false
            }
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1114
              #items: []
              #escapeWhenCastingToString: false
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1112
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1077
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1069
              #items: array:2 [
                0 => App\Models\Element {#1139 …30}
                1 => App\Models\Element {#1141 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
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            "previous" => array:2 [
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            "book" => Illuminate\Database\Eloquent\Collection {#1136
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              #escapeWhenCastingToString: false
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            "page" => array:2 [
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            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-322"
            "field_display_title" => "322"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1091}
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1077}
            "content" => Illuminate\Database\Eloquent\Collection {#1069}
            "next" => array:2 [
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            0 => "*"
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        4 => App\Models\Task {#1131
          #connection: "mysql"
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            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1111
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
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              #escapeWhenCastingToString: false
            }
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1138
              #items: []
              #escapeWhenCastingToString: false
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1134
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1132
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1133
              #items: array:2 [
                0 => App\Models\Element {#1151 …30}
                1 => App\Models\Element {#1153 …30}
              ]
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            "book" => Illuminate\Database\Eloquent\Collection {#1148
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              #escapeWhenCastingToString: false
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            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-323"
            "field_display_title" => "323"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1111}
            "field_metatags_title" => null
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1132}
            "content" => Illuminate\Database\Eloquent\Collection {#1133}
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              "refs" => "1425996"
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            "book" => Illuminate\Database\Eloquent\Collection {#1148}
            "page" => array:2 [
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              "type" => "book_page"
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          #dateFormat: null
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          #touches: []
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          #guarded: array:1 [
            0 => "*"
          ]
        }
        5 => App\Models\Task {#1143
          #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 [
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            "created_at" => "2026-04-10 13:58:26"
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            "field_display_title" => "324"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1135
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #escapeWhenCastingToString: false
            }
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              #items: []
              #escapeWhenCastingToString: false
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            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1146
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1144
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1145
              #items: array:2 [
                0 => App\Models\Element {#1163 …30}
                1 => App\Models\Element {#1165 …30}
              ]
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            "book" => Illuminate\Database\Eloquent\Collection {#1160
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                0 => App\Models\Book {#1006}
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            "field_outside_task" => null
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            "book" => Illuminate\Database\Eloquent\Collection {#1160}
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          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        6 => App\Models\Task {#1155
          #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" => 1425999
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-325"
            "field_display_title" => "325"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1147
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #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 {#1162
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1158
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1156
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1157
              #items: array:2 [
                0 => App\Models\Element {#1175 …30}
                1 => App\Models\Element {#1177 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1426000"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1425998"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1172
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1425999
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-325"
            "field_display_title" => "325"
            "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 {#1162}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1158}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1156}
            "content" => Illuminate\Database\Eloquent\Collection {#1157}
            "next" => array:2 [
              "refs" => "1426000"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1425998"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1172}
            "page" => array:2 [
              "refs" => "1426252"
              "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 => "*"
          ]
        }
        7 => App\Models\Task {#1167
          #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" => 1426000
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-326"
            "field_display_title" => "326"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1159
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #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 {#1174
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1170
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1168
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1169
              #items: array:2 [
                0 => App\Models\Element {#1187 …30}
                1 => App\Models\Element {#1189 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1426001"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1425999"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1184
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1426000
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-326"
            "field_display_title" => "326"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1159}
            "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 {#1174}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1170}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1168}
            "content" => Illuminate\Database\Eloquent\Collection {#1169}
            "next" => array:2 [
              "refs" => "1426001"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1425999"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1184}
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        8 => App\Models\Task {#1179
          #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" => 1426001
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-327"
            "field_display_title" => "327"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1171
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #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 {#1186
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1182
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1180
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1181
              #items: array:2 [
                0 => App\Models\Element {#1199 …30}
                1 => App\Models\Element {#1201 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1426002"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1426000"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1196
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1426001
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-327"
            "field_display_title" => "327"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1171}
            "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 {#1186}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1182}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1180}
            "content" => Illuminate\Database\Eloquent\Collection {#1181}
            "next" => array:2 [
              "refs" => "1426002"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1426000"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1196}
            "page" => array:2 [
              "refs" => "1426252"
              "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 => "*"
          ]
        }
        9 => App\Models\Task {#1191
          #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" => 1426002
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-328"
            "field_display_title" => "328"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1183
              #items: array:1 [
                0 => App\Models\Term {#1068 …30}
              ]
              #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 {#1198
              #items: []
              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1194
              #items: array:1 [
                0 => App\Models\Branch {#1121 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1192
              #items: array:2 [
                0 => App\Models\Branch {#1121 …30}
                1 => App\Models\Branch {#1125 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1193
              #items: array:2 [
                0 => App\Models\Element {#1211 …30}
                1 => App\Models\Element {#1213 …30}
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1426003"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1426001"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1208
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1426252"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1426002
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "149"
            "field_page_end" => null
            "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/9-328"
            "field_display_title" => "328"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1183}
            "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 {#1198}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1194}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1192}
            "content" => Illuminate\Database\Eloquent\Collection {#1193}
            "next" => array:2 [
              "refs" => "1426003"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1426001"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1208}
            "page" => array:2 [
              "refs" => "1426252"
              "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 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1426252
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "149"
    "field_url" => "/7-klass/fizika/moskovkina-sbornik-zadach/page-149"
    "field_display_title" => "149"
    "field_folder" => "1"
    "field_image_name" => "149"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1039}
    "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 {#1037}
    "content" => Illuminate\Database\Eloquent\Collection {#1048}
    "next" => array:2 [
      "refs" => "1426253"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1426251"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1041}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 7-9 класс Сборник задач, авторы: Московкина Елена Геннадьевна, Волков Владимир Анатольевич, издательство ВАКО, Москва, 2011, страница 149
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