Страница 218 - гдз по физике 9 класс учебник Шахмаев, Бунчук

Физика, 9 класс Учебник, авторы: Шахмаев Николай Михайлович, Бунчук Алексей Васильевич, издательство Мнемозина, Москва, 2007, голубого цвета

Авторы: Шахмаев Н. М., Бунчук А. В.

Тип: Учебник

Издательство: Мнемозина

Год издания: 2007 - 2026

Цвет обложки: голубой

ISBN: 978-5-346-01799-8

Cтраница 218

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
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  #keyType: "int"
  +incrementing: true
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  #attributes: array:21 [
    "id" => 1436777
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "218"
    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/page-218"
    "field_display_title" => "218"
    "field_folder" => "1"
    "field_image_name" => "218"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016
      #items: array:1 [
        0 => App\Models\Book {#1015
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
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          #attributes: array:50 [
            "id" => 2906
            "created_at" => "2026-04-08 17:28:58"
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            "field_subject" => Illuminate\Database\Eloquent\Collection {#1020
              #items: array:1 [
                0 => App\Models\Term {#1017
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                    "created_at" => "2026-04-08 17:28:58"
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                      "field_prepositional_case" => "физике"
                    ]
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                    "field_subject_type" => "technical_subject"
                    "field_translit" => "fizika"
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                0 => App\Models\Term {#1021
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            "field_author" => Illuminate\Database\Eloquent\Collection {#1018
              #items: array:2 [
                0 => App\Models\Term {#1034
                  #connection: "mysql"
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                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
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                    "field_foreign_lang_patronymic" => null
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                    "field_name" => "Николай"
                    "field_patronymic" => "Михайлович"
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                  ]
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                1 => App\Models\Term {#1033
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                    "created_at" => "2026-04-08 17:28:58"
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                  ]
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              ]
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            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1030
              #items: []
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            }
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              #items: array:1 [
                0 => App\Models\Term {#1025
                  #connection: "mysql"
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                  ]
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                0 => App\Models\Term {#1026
                  #connection: "mysql"
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                        0 => App\Models\Term {#4599 …30}
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                    "id" => 2906
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                      0 => "/media/fizika_09/shahmaev-u/covers/cover1.webp"
                    ]
                    "field_cover_alts" => array:1 [
                      0 => ""
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                      0 => array:4 [
                        "path" => "/media/fizika_09/shahmaev-u/covers/cover1.webp"
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                    0 => "*"
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                }
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            "content" => Illuminate\Database\Eloquent\Collection {#4601
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                    "id" => 1702852
                    "created_at" => "2026-04-08 17:28:58"
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                    "edition" => Illuminate\Database\Eloquent\Collection {#4603
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                        0 => App\Models\Edition {#4604 …30}
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                    "img" => array:1 [
                      0 => array:5 [
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                        "width" => "1994"
                         …2
                      ]
                    ]
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                    "edition" => Illuminate\Database\Eloquent\Collection {#4603}
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                    "img" => array:1 [
                      0 => array:5 [ …5]
                    ]
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                    0 => "*"
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            "tasks" => Illuminate\Database\Eloquent\Collection {#4610
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                0 => App\Models\Task {#4611
                  #connection: "mysql"
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                  #attributes: array:24 [
                    "id" => 1437185
                    "created_at" => "2026-04-08 17:28:58"
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4615
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                      #escapeWhenCastingToString: false
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4649
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                      #escapeWhenCastingToString: false
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                    "content" => Illuminate\Database\Eloquent\Collection {#4687
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                    }
                    "next" => array:2 [
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                    ]
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                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4698
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                      #escapeWhenCastingToString: false
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                    "page" => array:2 [
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                  ]
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                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-7"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4612}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4698}
                    "page" => array:2 [
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                  #visible: []
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                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#4699
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4700
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                      #escapeWhenCastingToString: false
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                    "field_metatags_title" => null
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4702
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4703
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4704
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                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                    ]
                    "previous" => array:2 [
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                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4709
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1436776"
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                  ]
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-8"
                    "field_display_title" => "8"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4700}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4703}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4709}
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                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#4710
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  #withCount: []
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-9"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4711
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4712
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4713
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4714
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4715
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                    ]
                    "previous" => array:2 [
                      "refs" => "1437186"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4720
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
                    ]
                  ]
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                    "id" => 1437187
                    "created_at" => "2026-04-08 17:28:58"
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                    "field_page_start" => "217"
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                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-9"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4711}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4714}
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                    "next" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4720}
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
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                    0 => "*"
                  ]
                }
                3 => App\Models\Task {#4721
                  #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" => 1437188
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-10"
                    "field_display_title" => "10"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4722
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "field_h1" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4723
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4724
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4725
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4726
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1437187"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4731
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
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                    "created_at" => "2026-04-08 17:28:58"
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                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-10"
                    "field_display_title" => "10"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4722}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4725}
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                    "next" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4731}
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                      "refs" => "1436776"
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                  #attributeCastCache: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                4 => App\Models\Task {#4732
                  #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" => 1437189
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
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                    "field_display_title" => "11"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4733
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
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                    "field_metatags_title" => null
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4734
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4735
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4736
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4737
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                    ]
                    "previous" => array:2 [
                      "refs" => "1437188"
                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4742
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
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                    "field_page_end" => null
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4736}
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                    "next" => array:2 [
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                    "previous" => array:2 [
                      "refs" => "1437188"
                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4742}
                    "page" => array:2 [
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                      "type" => "book_page"
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                5 => App\Models\Task {#4743
                  #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" => 1437190
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-12"
                    "field_display_title" => "12"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4744
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4745
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4746
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4747
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4748
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "1437191"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1437189"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4753
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
                    ]
                  ]
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                    "id" => 1437190
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-12"
                    "field_display_title" => "12"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4744}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4745}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4746}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4747}
                    "content" => Illuminate\Database\Eloquent\Collection {#4748}
                    "next" => array:2 [
                      "refs" => "1437191"
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                    "previous" => array:2 [
                      "refs" => "1437189"
                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4753}
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
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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 => "*"
                  ]
                }
                6 => App\Models\Task {#4754
                  #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" => 1437191
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-13"
                    "field_display_title" => "13"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4755
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4756
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4757
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4758
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4759
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "1437192"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1437190"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4764
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
                    ]
                  ]
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                    "id" => 1437191
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                    "updated_at" => null
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                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-13"
                    "field_display_title" => "13"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4755}
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                    "field_h1" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4756}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4757}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4758}
                    "content" => Illuminate\Database\Eloquent\Collection {#4759}
                    "next" => array:2 [
                      "refs" => "1437192"
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                      "refs" => "1437190"
                      "type" => "task"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4764}
                    "page" => array:2 [
                      "refs" => "1436776"
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                  #attributeCastCache: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                7 => App\Models\Task {#4765
                  #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" => 1437192
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-14"
                    "field_display_title" => "14"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4766
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4767
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4768
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4769
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4770
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "1437193"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1437191"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4775
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "1436776"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 1437192
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-14"
                    "field_display_title" => "14"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4766}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4769}
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                    "book" => Illuminate\Database\Eloquent\Collection {#4775}
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                  #attributeCastCache: []
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                  #touches: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                8 => App\Models\Task {#4776
                  #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" => 1437193
                    "created_at" => "2026-04-08 17:28:58"
                    "updated_at" => null
                    "field_page_start" => "217"
                    "field_page_end" => null
                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-15"
                    "field_display_title" => "15"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4777
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
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                    "field_metatags_title" => null
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4778
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4779
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4780
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4781
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "1437194"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "1437192"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4786
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
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                    "page" => array:2 [
                      "refs" => "1436776"
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                    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/prilozh1-15"
                    "field_display_title" => "15"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4777}
                    "field_metatags_title" => null
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4779}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4780}
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                    "next" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4786}
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                9 => App\Models\Task {#4787
                  #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" => 1437194
                    "created_at" => "2026-04-08 17:28:58"
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                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4788
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4789
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4790
                      #items: array:1 [ …1]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4791
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4792
                      #items: array:2 [ …2]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
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                    ]
                    "previous" => array:2 [
                      "refs" => "1437193"
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                    "book" => Illuminate\Database\Eloquent\Collection {#4797
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                      #escapeWhenCastingToString: false
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                  #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" => 1436776
            "created_at" => "2026-04-08 17:28:58"
            "updated_at" => null
            "field_page_start" => "217"
            "field_url" => "/9-klass/fizika/shahmaev-uchebnik/page-217"
            "field_display_title" => "217"
            "field_folder" => "1"
            "field_image_name" => "217"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4566}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4571}
            "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 {#4600}
            "content" => Illuminate\Database\Eloquent\Collection {#4601}
            "next" => array:2 [
              "refs" => "1436777"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1436775"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4610}
          ]
          #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 {#1006
      #items: []
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1436777
    "created_at" => "2026-04-08 17:28:58"
    "updated_at" => null
    "field_page_start" => "218"
    "field_url" => "/9-klass/fizika/shahmaev-uchebnik/page-218"
    "field_display_title" => "218"
    "field_folder" => "1"
    "field_image_name" => "218"
    "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 {#1049}
    "next" => array:2 [
      "refs" => "1436778"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1436776"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1006}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Физика, 9 класс Учебник, авторы: Шахмаев Николай Михайлович, Бунчук Алексей Васильевич, издательство Мнемозина, Москва, 2007, голубого цвета, страница 218
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