Страница 37 - гдз по физике 9 класс самостоятельные работы Генденштейн, Орлов

Физика, 9 класс Самостоятельные работы, авторы: Генденштейн Лев Элевич, Орлов Владимир Алексеевич, Никифоров Геннадий Григорьевич, издательство Мнемозина, Москва, 2011, салатового цвета

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

Тип: Самостоятельные работы

Издательство: Мнемозина

Год издания: 2011 - 2026

Цвет обложки: салатовый

ISBN: 978-5-346-03800-9

Cтраница 37

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5986 …2}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#6025 …2}
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                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#6019 …2}
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                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#6022
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #with: []
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_url" => "/9-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-2-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6030 …2}
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#6017 …2}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5990 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#5992 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#6006 …2}
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                  ]
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                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#6012
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  #attributes: array:24 [
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#6021 …2}
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          #connection: "mysql"
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                0 => App\Models\Term {#1062
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                0 => App\Models\Branch {#1115
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                  #table: "branches"
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                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1116 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#1117 …2}
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                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1116 …2}
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                    0 => "*"
                  ]
                }
                1 => App\Models\Branch {#1119
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  #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" => "Вариант 3"
                    "field_branch_order" => null
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                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1120 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#1121 …2}
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                  ]
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                    "field_display_title" => "Вариант 3"
                    "field_branch_order" => null
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1120 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#1121 …2}
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1066
              #items: array:2 [
                0 => App\Models\Element {#1098
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
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                  #attributes: array:7 [
                    "id" => 1681463
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1096 …2}
                    "task" => array:2 [ …2]
                    "text" => "<p><strong>Вариант 3</strong></p><p><em>Дайте краткие ответы на вопросы. (В тетради обязательно должны быть черновые расчёты и чертежи.</em>)</p><p>Прикреплённый к пружине груз совершает колебания в горизонтальном направлении (см. рисунок). Масса груза 1 кг, жёсткость пружины 100 Н/м, амплитуда колебаний 2 см. Нулевому уровню потенциальной энергии системы соответствует положение равновесия груза. Трением, массой пружины и сопротивлением воздуха можно пренебречь.</p><p><strong>1.</strong> Чему равен период колебаний?</p>"
                    "img" => array:2 [ …2]
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                    "id" => 1681463
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                    "edition" => Illuminate\Database\Eloquent\Collection {#1096 …2}
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                    "text" => "<p><strong>Вариант 3</strong></p><p><em>Дайте краткие ответы на вопросы. (В тетради обязательно должны быть черновые расчёты и чертежи.</em>)</p><p>Прикреплённый к пружине груз совершает колебания в горизонтальном направлении (см. рисунок). Масса груза 1 кг, жёсткость пружины 100 Н/м, амплитуда колебаний 2 см. Нулевому уровню потенциальной энергии системы соответствует положение равновесия груза. Трением, массой пружины и сопротивлением воздуха можно пренебречь.</p><p><strong>1.</strong> Чему равен период колебаний?</p>"
                    "img" => array:2 [ …2]
                  ]
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                1 => App\Models\Element {#1097
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
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                    "edition" => Illuminate\Database\Eloquent\Collection {#1086 …2}
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                    "text" => "<p><strong>1.</strong> Чему равен период колебаний?</p><p><strong>Дано:</strong></p><p>Масса груза, $m = 1$ кг<br>Жёсткость пружины, $k = 100$ Н/м<br>Амплитуда колебаний, $A = 2$ см</p><p>$A = 2 \text{ см} = 0.02 \text{ м}$</p><p><strong>Найти:</strong></p><p>Период колебаний, $T$</p><p><strong>Решение:</strong></p><p>Колебания груза на пружине являются гармоническими. Период колебаний пружинного маятника определяется по формуле:<br>$T = 2\pi\sqrt{\frac{m}{k}}$<br>где $m$ – масса груза, а $k$ – жёсткость пружины.<br>Подставим данные из условия задачи в формулу:<br>$T = 2\pi\sqrt{\frac{1 \text{ кг}}{100 \text{ Н/м}}} = 2\pi\sqrt{0.01 \text{ с}^2}$<br>$T = 2\pi \cdot 0.1 \text{ с} = 0.2\pi \text{ с}$<br>Для получения численного значения, примем $\pi \approx 3.14$:<br>$T \approx 0.2 \cdot 3.14 \text{ с} = 0.628 \text{ с}$</p><p><strong>Ответ:</strong> $0.2\pi \text{ с}$ (или примерно $0.628 \text{ с}$).</p>"
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1067
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            "content" => Illuminate\Database\Eloquent\Collection {#1070
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                1 => App\Models\Element {#1069
                  #connection: "mysql"
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            "book" => Illuminate\Database\Eloquent\Collection {#1084
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        2 => App\Models\Task {#1088
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                0 => App\Models\Branch {#1115}
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1089
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            "content" => Illuminate\Database\Eloquent\Collection {#1087
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                  #connection: "mysql"
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                }
                1 => App\Models\Element {#1123
                  #connection: "mysql"
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        3 => App\Models\Task {#1068
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            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1071
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            "content" => Illuminate\Database\Eloquent\Collection {#1063
              #items: array:2 [
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                  #connection: "mysql"
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                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
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                  +exists: true
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                }
                1 => App\Models\Element {#1135
                  #connection: "mysql"
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            "book" => Illuminate\Database\Eloquent\Collection {#1130
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          ]
          #original: array:24 [
            "id" => 1427890
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "37"
            "field_page_end" => null
            "field_url" => "/9-klass/fizika/gendenshtejn-samostoyatelnye-raboty/6-3-4"
            "field_display_title" => "4"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1081}
            "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 {#1108}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1106}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1071}
            "content" => Illuminate\Database\Eloquent\Collection {#1063}
            "next" => array:2 [
              "refs" => "1427891"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1427889"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1130}
            "page" => array:2 [
              "refs" => "1427949"
              "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" => 1427949
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "37"
    "field_url" => "/9-klass/fizika/gendenshtejn-samostoyatelnye-raboty/page-37"
    "field_display_title" => "37"
    "field_folder" => "1"
    "field_image_name" => "37"
    "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" => "1427950"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1427948"
      "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, 9 класс Самостоятельные работы, авторы: Генденштейн Лев Элевич, Орлов Владимир Алексеевич, Никифоров Геннадий Григорьевич, издательство Мнемозина, Москва, 2011, салатового цвета, страница 37
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