gdz.top
Страница 75 - гдз по физике 9 класс учебник Кабардин
Авторы: Кабардин О. Ф.
Тип: Учебник
Серия: архимед
Издательство: Просвещение
Год издания: 2014 - 2026
Цвет обложки: радужный
ISBN: 978-5-09-034177-6
Популярные ГДЗ в 9 классе
Cтраница 75
App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php #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" => 1717381 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "75" "field_url" => "/9-klass/fizika/kabardin-uchebnik/page-75" "field_display_title" => "75" "field_folder" => "1" "field_image_name" => "75" "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: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ "id" => 862 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_tree_default_status" => "tasks" "field_pages_status" => null "field_subject" => Illuminate\Database\Eloquent\Collection {#1020 #items: array:1 [ 0 => App\Models\Term {#1017 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ "id" => 6493 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Физика" "field_abbreviated_name" => null "field_cases" => array:6 [ "field_accusative_case" => "физику" "field_creative_case" => "физикой" "field_dative_case" => "физике" "field_genitive_case" => "физики" "field_nominative_case" => "физика" "field_prepositional_case" => "физике" ] "field_foreign_lang_name" => null "field_short_name" => null "field_subject_type" => "technical_subject" "field_translit" => "fizika" ] #original: array:10 [ "id" => 6493 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Физика" "field_abbreviated_name" => null "field_cases" => array:6 [ "field_accusative_case" => "физику" "field_creative_case" => "физикой" "field_dative_case" => "физике" "field_genitive_case" => "физики" "field_nominative_case" => "физика" "field_prepositional_case" => "физике" ] "field_foreign_lang_name" => null "field_short_name" => null "field_subject_type" => "technical_subject" "field_translit" => "fizika" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_class" => Illuminate\Database\Eloquent\Collection {#1022 #items: array:1 [ 0 => App\Models\Term {#1019 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 5458 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "9" "field_cases" => array:6 [ "field_accusative_case" => "девятый" "field_creative_case" => "девятым" "field_dative_case" => "девятому" "field_genitive_case" => "девятого" "field_nominative_case" => "девятый" "field_prepositional_case" => "девятом" ] "field_translit" => "devjatyj" ] #original: array:6 [ "id" => 5458 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "9" "field_cases" => array:6 [ "field_accusative_case" => "девятый" "field_creative_case" => "девятым" "field_dative_case" => "девятому" "field_genitive_case" => "девятого" "field_nominative_case" => "девятый" "field_prepositional_case" => "девятом" ] "field_translit" => "devjatyj" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_publisher" => Illuminate\Database\Eloquent\Collection {#1024 #items: array:1 [ 0 => App\Models\Term {#1021 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 5153 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Просвещение" "field_cases" => null "field_translit" => "prosveschenie" ] #original: array:6 [ "id" => 5153 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Просвещение" "field_cases" => null "field_translit" => "prosveschenie" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_author" => Illuminate\Database\Eloquent\Collection {#1032 #items: array:1 [ 0 => App\Models\Term {#1031 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ "id" => 4514 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Кабардин" "field_bio" => null "field_degree_rp" => null "field_foreign_lang_name" => null "field_foreign_lang_patronymic" => null "field_foreign_lang_surname" => null "field_name" => "Олег" "field_patronymic" => "Фёдорович" "field_surname_rp" => "Кабардина" ] #original: array:12 [ "id" => 4514 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Кабардин" "field_bio" => null "field_degree_rp" => null "field_foreign_lang_name" => null "field_foreign_lang_patronymic" => null "field_foreign_lang_surname" => null "field_name" => "Олег" "field_patronymic" => "Фёдорович" "field_surname_rp" => "Кабардина" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1018 #items: [] #escapeWhenCastingToString: false } "field_book_type" => Illuminate\Database\Eloquent\Collection {#1026 #items: array:1 [ 0 => App\Models\Term {#1025 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ "id" => 6671 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Учебник" "field_book_type_foreign" => null "field_cases" => array:6 [ "field_accusative_case" => "учебник" "field_creative_case" => "учебником" "field_dative_case" => "учебнику" "field_genitive_case" => "учебника" "field_nominative_case" => "учебник" "field_prepositional_case" => "учебнике" ] "field_plural_form" => null "field_short_name" => null "field_short_name_foreign" => null "field_translit" => "uchebnik" ] #original: array:10 [ "id" => 6671 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Учебник" "field_book_type_foreign" => null "field_cases" => array:6 [ "field_accusative_case" => "учебник" "field_creative_case" => "учебником" "field_dative_case" => "учебнику" "field_genitive_case" => "учебника" "field_nominative_case" => "учебник" "field_prepositional_case" => "учебнике" ] "field_plural_form" => null "field_short_name" => null "field_short_name_foreign" => null "field_translit" => "uchebnik" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_country" => Illuminate\Database\Eloquent\Collection {#1027 #items: array:1 [ 0 => App\Models\Term {#1028 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 9 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Россия" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_translit" => "rossiya" ] #original: array:6 [ "id" => 9 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Россия" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_translit" => "rossiya" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_city" => Illuminate\Database\Eloquent\Collection {#1034 #items: array:1 [ 0 => App\Models\Term {#1029 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 15 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Москва" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_translit" => "moskva" ] #original: array:6 [ "id" => 15 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "Москва" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_translit" => "moskva" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_series" => Illuminate\Database\Eloquent\Collection {#1042 #items: array:1 [ 0 => App\Models\Term {#1041 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:8 [ "id" => 4702 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "архимед" "field_cases" => null "field_foreign_lang_series" => null "field_transcription_eng" => null "field_translit" => "arkhimed" ] #original: array:8 [ "id" => 4702 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "архимед" "field_cases" => null "field_foreign_lang_series" => null "field_transcription_eng" => null "field_translit" => "arkhimed" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_umk" => Illuminate\Database\Eloquent\Collection {#1023 #items: [] #escapeWhenCastingToString: false } "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1035 #items: [] #escapeWhenCastingToString: false } "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1039 #items: array:1 [ 0 => App\Models\Term {#1033 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ "id" => 6706 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "ФГОС (старый)" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_color" => null "field_end_year" => "2022" "field_start_year" => "2019" "field_translit" => "fgos-old" "field_type" => null ] #original: array:10 [ "id" => 6706 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "ФГОС (старый)" "field_cases" => array:6 [ "field_accusative_case" => null "field_creative_case" => null "field_dative_case" => null "field_genitive_case" => null "field_nominative_case" => null "field_prepositional_case" => null ] "field_color" => null "field_end_year" => "2022" "field_start_year" => "2019" "field_translit" => "fgos-old" "field_type" => null ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_publication_number" => null "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1036 #items: [] #escapeWhenCastingToString: false } "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1038 #items: [] #escapeWhenCastingToString: false } "field_under_the_edition_degree" => null "field_cover_description" => null "field_publication_year" => "2014" "field_publication_year_until" => null "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => "Учебник для общеобразовательных организаций" "field_allowed" => null "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "471" "field_priority" => null "field_default_folder" => "/fizika_09/kabardin-u/" "field_isbn" => "978-5-09-034177-6" "field_cover" => array:1 [ 0 => "/media/fizika_09/kabardin-u/covers/cover1.webp" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/fizika_09/kabardin-u/covers/cover1.webp" "alt" => "" "width" => "2286" "height" => "3086" ] ] "field_popular_book" => "0" "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1037 #items: [] #escapeWhenCastingToString: false } "field_new_book" => Illuminate\Database\Eloquent\Collection {#1043 #items: [] #escapeWhenCastingToString: false } "field_old_book" => Illuminate\Database\Eloquent\Collection {#1044 #items: [] #escapeWhenCastingToString: false } "field_url" => "/9-klass/fizika/kabardin-uchebnik" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1048 #items: array:1 [ 0 => App\Models\Term {#1045 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 55 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "радужный" "field_cases" => array:6 [ "field_accusative_case" => "радужный" "field_creative_case" => "радужным" "field_dative_case" => "радужному" "field_genitive_case" => "радужного" "field_nominative_case" => "радужный" "field_prepositional_case" => "радужном" ] "field_translit" => "raduzhnyy" ] #original: array:6 [ "id" => 55 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "name" => "радужный" "field_cases" => array:6 [ "field_accusative_case" => "радужный" "field_creative_case" => "радужным" "field_dative_case" => "радужному" "field_genitive_case" => "радужного" "field_nominative_case" => "радужный" "field_prepositional_case" => "радужном" ] "field_translit" => "raduzhnyy" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "breadcrumbs" => array:3 [ "class" => 380 "subject" => 556 "class_subject" => 493 ] ] #original: array:50 [ "id" => 862 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_tree_default_status" => "tasks" "field_pages_status" => null "field_subject" => Illuminate\Database\Eloquent\Collection {#1020} "field_class" => Illuminate\Database\Eloquent\Collection {#1022} "field_publisher" => Illuminate\Database\Eloquent\Collection {#1024} "field_author" => Illuminate\Database\Eloquent\Collection {#1032} "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1018} "field_book_type" => Illuminate\Database\Eloquent\Collection {#1026} "field_country" => Illuminate\Database\Eloquent\Collection {#1027} "field_city" => Illuminate\Database\Eloquent\Collection {#1034} "field_series" => Illuminate\Database\Eloquent\Collection {#1042} "field_umk" => Illuminate\Database\Eloquent\Collection {#1023} "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1035} "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1039} "field_publication_number" => null "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1036} "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1038} "field_under_the_edition_degree" => null "field_cover_description" => null "field_publication_year" => "2014" "field_publication_year_until" => null "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => "Учебник для общеобразовательных организаций" "field_allowed" => null "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "471" "field_priority" => null "field_default_folder" => "/fizika_09/kabardin-u/" "field_isbn" => "978-5-09-034177-6" "field_cover" => array:1 [ 0 => "/media/fizika_09/kabardin-u/covers/cover1.webp" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/fizika_09/kabardin-u/covers/cover1.webp" "alt" => "" "width" => "2286" "height" => "3086" ] ] "field_popular_book" => "0" "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1037} "field_new_book" => Illuminate\Database\Eloquent\Collection {#1043} "field_old_book" => Illuminate\Database\Eloquent\Collection {#1044} "field_url" => "/9-klass/fizika/kabardin-uchebnik" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1048} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "breadcrumbs" => array:3 [ "class" => 380 "subject" => 556 "class_subject" => 493 ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #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 {#1007 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1050 #items: array:1 [ 0 => App\Models\Element {#1049 #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 [ "id" => 1859919 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1059 #items: array:1 [ 0 => App\Models\Edition {#1051 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ "id" => 7243 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "title" => "Условие" "field_order" => "1" "field_publisher" => Illuminate\Database\Eloquent\Collection {#1053 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_content_type" => "free" "field_content_mode" => "text, image" "field_page_content_mode" => "image" "field_content_text_checked" => "0" "field_page_content_text_checked" => "0" "field_solution_author" => "Автор" "field_moderator" => "stas" "field_edition_type" => "statement" "field_root_dir" => "0-" "field_responsible" => Illuminate\Database\Eloquent\Collection {#1054 #items: [] #escapeWhenCastingToString: false } "field_comment" => null "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1055 #items: [] #escapeWhenCastingToString: false } "field_process_formula" => "katex" "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1056 #items: [] #escapeWhenCastingToString: false } "field_content_source" => null ] #original: array:21 [ "id" => 7243 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "title" => "Условие" "field_order" => "1" "field_publisher" => Illuminate\Database\Eloquent\Collection {#1053} "field_content_type" => "free" "field_content_mode" => "text, image" "field_page_content_mode" => "image" "field_content_text_checked" => "0" "field_page_content_text_checked" => "0" "field_solution_author" => "Автор" "field_moderator" => "stas" "field_edition_type" => "statement" "field_root_dir" => "0-" "field_responsible" => Illuminate\Database\Eloquent\Collection {#1054} "field_comment" => null "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1055} "field_process_formula" => "katex" "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1056} "field_content_source" => null ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "book_page" => array:2 [ "refs" => "1717381" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "75-1.jpg" "alt" => null "width" => "2267" "height" => 3103 "path" => "/media/fizika_09/kabardin-u/0-1/75-1.webp" ] ] ] #original: array:6 [ "id" => 1859919 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1059} "book_page" => array:2 [ "refs" => "1717381" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "75-1.jpg" "alt" => null "width" => "2267" "height" => 3103 "path" => "/media/fizika_09/kabardin-u/0-1/75-1.webp" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "next" => Illuminate\Database\Eloquent\Collection {#5876 #items: array:1 [ 0 => App\Models\BookPage {#5875 #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" => 1717382 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_url" => "/9-klass/fizika/kabardin-uchebnik/page-76" "field_display_title" => "76" "field_folder" => "1" "field_image_name" => "76" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5887 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5886 #items: array:1 [ 0 => App\Models\Book {#1015} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#5888 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5931 #items: array:1 [ 0 => App\Models\Element {#5933 #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 [ "id" => 1859920 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#5938 #items: array:1 [ …1] #escapeWhenCastingToString: false } "book_page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ …5] ] ] #original: array:6 [ "id" => 1859920 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#5938} "book_page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ …5] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717383" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1717381" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5879 #items: array:4 [ 0 => App\Models\Task {#5944 #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" => 1717055 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => "77" "field_url" => "/9-klass/fizika/kabardin-uchebnik/expzad17-1" "field_display_title" => "Экспериментальное задание 17.1" "field_outside_task" => "0" "field_task_type" => Illuminate\Database\Eloquent\Collection {#5945 #items: [] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5946 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5947 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5982 #items: array:3 [ …3] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5975 #items: array:1 [ …1] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717056" "type" => "task" ] "previous" => array:2 [ "refs" => "1717054" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5948 #items: array:1 [ …1] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717055 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => "77" "field_url" => "/9-klass/fizika/kabardin-uchebnik/expzad17-1" "field_display_title" => "Экспериментальное задание 17.1" "field_outside_task" => "0" "field_task_type" => Illuminate\Database\Eloquent\Collection {#5945} "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 {#5946} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5947} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5982} "content" => Illuminate\Database\Eloquent\Collection {#5975} "next" => array:2 [ "refs" => "1717056" "type" => "task" ] "previous" => array:2 [ "refs" => "1717054" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5948} "page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 1 => App\Models\Task {#5980 #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" => 1717056 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/vopr76-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5989 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5978 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5949 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5979 #items: array:3 [ …3] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5966 #items: array:1 [ …1] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717057" "type" => "task" ] "previous" => array:2 [ "refs" => "1717055" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5973 #items: array:1 [ …1] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717056 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/vopr76-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5989} "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 {#5978} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5949} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5979} "content" => Illuminate\Database\Eloquent\Collection {#5966} "next" => array:2 [ "refs" => "1717057" "type" => "task" ] "previous" => array:2 [ "refs" => "1717055" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5973} "page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Task {#5971 #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" => 1717057 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/vopr76-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5951 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5969 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5972 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5967 #items: array:3 [ …3] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5954 #items: array:1 [ …1] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717058" "type" => "task" ] "previous" => array:2 [ "refs" => "1717056" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5964 #items: array:1 [ …1] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717057 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/vopr76-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5951} "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 {#5969} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5972} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5967} "content" => Illuminate\Database\Eloquent\Collection {#5954} "next" => array:2 [ "refs" => "1717058" "type" => "task" ] "previous" => array:2 [ "refs" => "1717056" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5964} "page" => array:2 [ "refs" => "1717382" "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 => "*" ] } 3 => App\Models\Task {#5961 #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" => 1717058 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/vopr76-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5970 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5958 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5962 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5959 #items: array:3 [ …3] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5984 #items: array:1 [ …1] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717059" "type" => "task" ] "previous" => array:2 [ "refs" => "1717057" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5952 #items: array:1 [ …1] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717382" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717058 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/vopr76-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5970} "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 {#5958} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5962} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5959} "content" => Illuminate\Database\Eloquent\Collection {#5984} "next" => array:2 [ "refs" => "1717059" "type" => "task" ] "previous" => array:2 [ "refs" => "1717057" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5952} "page" => array:2 [ "refs" => "1717382" "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" => 1717382 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "76" "field_url" => "/9-klass/fizika/kabardin-uchebnik/page-76" "field_display_title" => "76" "field_folder" => "1" "field_image_name" => "76" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5887} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5886} "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 {#5888} "content" => Illuminate\Database\Eloquent\Collection {#5931} "next" => array:2 [ "refs" => "1717383" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1717381" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5879} ] #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 {#5871 #items: array:1 [ 0 => App\Models\BookPage {#5870 #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" => 1717380 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_url" => "/9-klass/fizika/kabardin-uchebnik/page-74" "field_display_title" => "74" "field_folder" => "1" "field_image_name" => "74" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5872 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5873 #items: array:1 [ 0 => App\Models\Book {#1015} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#5874 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5884 #items: array:1 [ 0 => App\Models\Element {#5883 #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 [ "id" => 1859918 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#5885 #items: array:1 [ …1] #escapeWhenCastingToString: false } "book_page" => array:2 [ "refs" => "1717380" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ …5] ] ] #original: array:6 [ "id" => 1859918 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#5885} "book_page" => array:2 [ "refs" => "1717380" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ …5] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717381" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1717379" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5877 #items: array:4 [ 0 => App\Models\Task {#5891 #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" => 1717050 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-1" "field_display_title" => "16.1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5895 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5894 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5893 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5896 #items: array:3 [ …3] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5906 #items: array:1 [ …1] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717051" "type" => "task" ] "previous" => array:2 [ "refs" => "1717049" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5898 #items: array:1 [ …1] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717380" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717050 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-1" "field_display_title" => "16.1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5895} "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 {#5894} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5893} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5896} "content" => Illuminate\Database\Eloquent\Collection {#5906} "next" => array:2 [ "refs" => "1717051" "type" => "task" ] "previous" => array:2 [ "refs" => "1717049" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5898} "page" => array:2 [ "refs" => "1717380" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 1 => App\Models\Task {#5899 #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" => 1717051 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-2" "field_display_title" => "16.2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5897 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5902 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5900 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5903 #items: array:3 [ …3] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5916 #items: array:1 [ …1] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717052" "type" => "task" ] "previous" => array:2 [ "refs" => "1717050" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5908 #items: array:1 [ …1] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717380" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717051 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-2" "field_display_title" => "16.2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5897} "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 {#5902} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5900} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5903} "content" => Illuminate\Database\Eloquent\Collection {#5916} "next" => array:2 [ "refs" => "1717052" "type" => "task" ] "previous" => array:2 [ "refs" => "1717050" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#5908} "page" => array:2 [ "refs" => "1717380" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Task {#5909 #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" => 1717052 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-3" "field_display_title" => "16.3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5901 #items: array:1 [ …1] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5912 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5910 #items: array:1 [ …1] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#5913 …2} "content" => Illuminate\Database\Eloquent\Collection {#5926 …2} "next" => array:2 [ …2] "previous" => array:2 [ …2] "book" => Illuminate\Database\Eloquent\Collection {#5918 …2} "page" => array:2 [ …2] ] #original: array:24 [ "id" => 1717052 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-3" "field_display_title" => "16.3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5901} "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 {#5912} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5910} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5913 …2} "content" => Illuminate\Database\Eloquent\Collection {#5926 …2} "next" => array:2 [ …2] "previous" => array:2 [ …2] "book" => Illuminate\Database\Eloquent\Collection {#5918 …2} "page" => array:2 [ …2] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 3 => App\Models\Task {#5919 #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" => 1717053 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-4" "field_display_title" => "16.4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5911 …2} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5922 …2} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5920 …2} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5923 …2} "content" => Illuminate\Database\Eloquent\Collection {#5936 …2} "next" => array:2 [ …2] "previous" => array:2 [ …2] "book" => Illuminate\Database\Eloquent\Collection {#5928 …2} "page" => array:2 [ …2] ] #original: array:24 [ "id" => 1717053 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/zad16-4" "field_display_title" => "16.4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#5911 …2} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#5922 …2} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5920 …2} "parent_branches" => Illuminate\Database\Eloquent\Collection {#5923 …2} "content" => Illuminate\Database\Eloquent\Collection {#5936 …2} "next" => array:2 [ …2] "previous" => array:2 [ …2] "book" => Illuminate\Database\Eloquent\Collection {#5928 …2} "page" => array:2 [ …2] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1717380 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "74" "field_url" => "/9-klass/fizika/kabardin-uchebnik/page-74" "field_display_title" => "74" "field_folder" => "1" "field_image_name" => "74" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5872} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5873} "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 {#5874} "content" => Illuminate\Database\Eloquent\Collection {#5884} "next" => array:2 [ "refs" => "1717381" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1717379" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5877} ] #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 {#1060 #items: array:1 [ 0 => App\Models\Task {#1058 #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" => 1717054 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "75" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/expzad16-2" "field_display_title" => "Экспериментальное задание 16.2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1061 #items: [] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1062 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1072 #items: array:1 [ 0 => App\Models\Branch {#1071 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:23 [ "id" => 1716753 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Законы сохранения" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1073 …2} "field_page_start" => "60" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1074 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1075 …2} ] #original: array:23 [ "id" => 1716753 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Законы сохранения" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1073 …2} "field_page_start" => "60" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1074 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1075 …2} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1103 #items: array:3 [ 0 => App\Models\Branch {#1113 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:23 [ "id" => 1716753 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Законы сохранения" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1114 …2} "field_page_start" => "60" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1115 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1116 …2} ] #original: array:23 [ "id" => 1716753 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Законы сохранения" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1114 …2} "field_page_start" => "60" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1115 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1116 …2} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 1 => App\Models\Branch {#1117 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:23 [ "id" => 1716765 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Потенциальная энергия гравитационного притяжения тел" "field_branch_order" => "16" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1121 …2} "field_page_start" => "72" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1120 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1119 …2} ] #original: array:23 [ "id" => 1716765 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Потенциальная энергия гравитационного притяжения тел" "field_branch_order" => "16" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1121 …2} "field_page_start" => "72" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1120 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1119 …2} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Branch {#1122 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:23 [ "id" => 1716767 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Задачи" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1123 …2} "field_page_start" => "74" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1124 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1133 …2} ] #original: array:23 [ "id" => 1716767 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_display_title" => "Задачи" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1123 …2} "field_page_start" => "74" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "book" => Illuminate\Database\Eloquent\Collection {#1124 …2} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1133 …2} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1096 #items: array:1 [ 0 => App\Models\Element {#1097 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:7 [ "id" => 1859387 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1095 …2} "task" => array:2 [ …2] "text" => "<p><strong>Экспериментальное задание 16.2</strong></p><p><strong>Работаем в группе</strong></p><p><strong>Сравнение изменения потенциальной энергии с изменением кинетической энергии при движении тела по наклонной плоскости</strong></p><p><em>Оборудование:</em> наклонная плоскость, каретка, электронный секундомер с датчиками, измерительная линейка, весы с разновесом.</p><p><strong><i>Определите экспериментально изменения потенциальной и кинетической энергии при движении тела по наклонной плоскости.</i></strong></p><p><i>Порядок выполнения задания</i></p><p><strong>1.</strong> Установите наклонную плоскость под углом около $45^\circ$ к горизонтальной плоскости. Установите датчики секундомера у конца наклонной плоскости на расстоянии $\Delta s = 5 \text{ см}$ один от другого (рис. 16.6). Сделайте сброс показаний секундомера.</p><p><strong>2.</strong> Поставьте каретку у верхнего края наклонной плоскости и отпустите её. Запишите показания секундомера. Повторите опыт 5 раз и вычислите среднее значение интервала времени $\Delta t$ между моментами прохождения каретки мимо первого и второго датчиков. Разделив пройденный путь $\Delta s$ на время движения $\Delta t$, вычислите среднюю скорость $\text{v}$ каретки у конца наклонной плоскости.</p><p><strong>3.</strong> Измерьте массу $\text{m}$ каретки и вычислите кинетическую энергию каретки у конца наклонной плоскости.</p><p><strong>4.</strong> Измерьте изменение высоты $\Delta h$ каретки при движении по наклонной плоскости и вычислите изменение потенциальной энергии каретки.</p><p><strong>5.</strong> Сравните изменения кинетической и потенциальной энергии каретки при движении по наклонной плоскости и объясните полученные результаты.</p><p>Рис. 16.6</p>" "img" => array:1 [ …1] ] #original: array:7 [ "id" => 1859387 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1095 …2} "task" => array:2 [ …2] "text" => "<p><strong>Экспериментальное задание 16.2</strong></p><p><strong>Работаем в группе</strong></p><p><strong>Сравнение изменения потенциальной энергии с изменением кинетической энергии при движении тела по наклонной плоскости</strong></p><p><em>Оборудование:</em> наклонная плоскость, каретка, электронный секундомер с датчиками, измерительная линейка, весы с разновесом.</p><p><strong><i>Определите экспериментально изменения потенциальной и кинетической энергии при движении тела по наклонной плоскости.</i></strong></p><p><i>Порядок выполнения задания</i></p><p><strong>1.</strong> Установите наклонную плоскость под углом около $45^\circ$ к горизонтальной плоскости. Установите датчики секундомера у конца наклонной плоскости на расстоянии $\Delta s = 5 \text{ см}$ один от другого (рис. 16.6). Сделайте сброс показаний секундомера.</p><p><strong>2.</strong> Поставьте каретку у верхнего края наклонной плоскости и отпустите её. Запишите показания секундомера. Повторите опыт 5 раз и вычислите среднее значение интервала времени $\Delta t$ между моментами прохождения каретки мимо первого и второго датчиков. Разделив пройденный путь $\Delta s$ на время движения $\Delta t$, вычислите среднюю скорость $\text{v}$ каретки у конца наклонной плоскости.</p><p><strong>3.</strong> Измерьте массу $\text{m}$ каретки и вычислите кинетическую энергию каретки у конца наклонной плоскости.</p><p><strong>4.</strong> Измерьте изменение высоты $\Delta h$ каретки при движении по наклонной плоскости и вычислите изменение потенциальной энергии каретки.</p><p><strong>5.</strong> Сравните изменения кинетической и потенциальной энергии каретки при движении по наклонной плоскости и объясните полученные результаты.</p><p>Рис. 16.6</p>" "img" => array:1 [ …1] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1717055" "type" => "task" ] "previous" => array:2 [ "refs" => "1717053" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1064 #items: array:1 [ 0 => App\Models\Book {#1015} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1717381" "type" => "book_page" ] ] #original: array:24 [ "id" => 1717054 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "75" "field_page_end" => null "field_url" => "/9-klass/fizika/kabardin-uchebnik/expzad16-2" "field_display_title" => "Экспериментальное задание 16.2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1061} "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 {#1062} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1072} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1103} "content" => Illuminate\Database\Eloquent\Collection {#1096} "next" => array:2 [ "refs" => "1717055" "type" => "task" ] "previous" => array:2 [ "refs" => "1717053" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1064} "page" => array:2 [ "refs" => "1717381" "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" => 1717381 "created_at" => "2026-04-08 17:28:58" "updated_at" => null "field_page_start" => "75" "field_url" => "/9-klass/fizika/kabardin-uchebnik/page-75" "field_display_title" => "75" "field_folder" => "1" "field_image_name" => "75" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1016} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#1007} "content" => Illuminate\Database\Eloquent\Collection {#1050} "next" => array:2 [ "refs" => "1717382" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1717380" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#1060} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] }
Ваш номер не отображается здесь?
Такое бывает: задание могло начаться на
предыдущей
или
следующей
странице.
Другие страницы:
Помогло решение? Оставьте отзыв в комментариях ниже.