Номер 2, страница 145 - гдз по физике 10 класс учебник Мякишев, Буховцев

Физика, 10 класс Учебник, авторы: Мякишев Генадий Яковлевич, Буховцев Борис Борисович, Сотский Николай Николаевич, издательство Просвещение, Москва, 2019

Авторы: Мякишев Г. Я., Буховцев Б. Б., Сотский Н. Н.

Тип: Учебник

Серия: классический курс

Издательство: Просвещение

Год издания: 2019 - 2026

Уровень обучения: базовый и углублённый

Цвет обложки: синий

ISBN: 978-5-09-103619-9

Глава 4. Законы сохранения в механике. Параграф 44. Потенциальная энергия. Образцы заданий ЕГЭ - номер 2, страница 145.

App\Models\Task {#1030 // resources/views/models/task/default.blade.php
  #connection: "mysql"
  #table: "tasks"
  #primaryKey: "id"
  #keyType: "int"
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  #escapeWhenCastingToString: false
  #attributes: array:24 [
    "id" => 591970
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "145"
    "field_page_end" => null
    "field_url" => "/10-klass/fizika/myakishev/44-3-2"
    "field_display_title" => "2"
    "field_outside_task" => null
    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1037
      #items: array:1 [
        0 => App\Models\Term {#1036
          #connection: "mysql"
          #table: "terms"
          #primaryKey: "id"
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          #attributes: array:6 [
            "id" => 26
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "name" => "номер"
            "field_cases" => array:6 [
              "field_accusative_case" => "номер"
              "field_creative_case" => "номером"
              "field_dative_case" => "номеру"
              "field_genitive_case" => "номера"
              "field_nominative_case" => "номер"
              "field_prepositional_case" => "номере"
            ]
            "field_short_name" => ""
          ]
          #original: array:6 [
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            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
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            "field_cases" => array:6 [
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            ]
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        0 => App\Models\Branch {#1045
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          #table: "branches"
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            "id" => 591271
            "created_at" => "2026-04-10 13:58:26"
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            "field_display_title" => "Законы сохранения в механике"
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            "field_url" => null
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              #items: array:1 [
                0 => App\Models\Term {#1047
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                    "created_at" => "2026-04-10 13:58:26"
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                    "name" => "Глава"
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              #items: array:1 [
                0 => App\Models\Book {#1049
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            "updated_at" => null
                            "name" => "Физика"
                            "field_abbreviated_name" => null
                            "field_cases" => array:6 [ …6]
                            "field_foreign_lang_name" => null
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                            "field_translit" => "fizika"
                          ]
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                    "field_class" => Illuminate\Database\Eloquent\Collection {#1052
                      #items: array:1 [
                        0 => App\Models\Term {#1053
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
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                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "10"
                            "field_cases" => array:6 [ …6]
                            "field_translit" => "desjatyj"
                          ]
                          #original: array:6 [
                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
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                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1054
                      #items: array:1 [
                        0 => App\Models\Term {#1055
                          #connection: "mysql"
                          #table: "terms"
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                          ]
                          #original: array:6 [
                            "id" => 5153
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            "field_translit" => "prosveschenie"
                          ]
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                    "field_author" => Illuminate\Database\Eloquent\Collection {#1056
                      #items: array:3 [
                        0 => App\Models\Term {#1057
                          #connection: "mysql"
                          #table: "terms"
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                            "id" => 5305
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                        1 => App\Models\Term {#1058
                          #connection: "mysql"
                          #table: "terms"
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                        2 => App\Models\Term {#1059
                          #connection: "mysql"
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                    "field_description_bottom" => "<!--Текст в низу страницы--> <h2> Почему нужны ГДЗ? </h2> <p> В старшей школе многие аспекты учебного материала становятся намного сложнее, сродни тем, что проходят на первых курсах институтов. Поэтому любое невнимание или упущение может плохо сказаться на качестве полученных знаний. Школьникам нужно не просто тщательно штудировать заданные параграфы, но и разбирать все непонятные моменты, так как на уроках на это зачастую нет времени. Хорошим подспорьем станет для учащихся сборник <strong>ГДЗ по физике 10 класс Учебник Мякишев, Буховцев, Сотский (Просвещение, 2019-2023 г.)</strong>. </p> <p> За предстоящий учебный год ученики должны получить представление о: </p> <ol> <li>Механическом движении.</li> <li>Способах описания движения.</li> <li>Траектория. Путь. Перемещение.</li> <li>Сложении скоростей.</li> <li>Мгновенной и средней скорости.</li> <li>Движении с постоянным ускорением, и т. д.</li> </ol> <p> На страницах решебника представлены подробные пояснения по всему текущему курсу. Издание станет прекрасным дополнением к основному учебнику, позволит увидеть разнообразные наглядные примеры, которых подростки по сути лишены. Это даст возможность четко представить, как можно практическим путем объяснить различные природные явления, деятельность человека. </p> <h2> Чего можно добиться с ГДЗ? </h2> <p> Занятия по физике, как правило, проходят один-два раза в неделю по часу. Учитывая объемы материала, такого ограниченного времени не хватает на проведение полноценных уроков. Учителя многое задают ребятам на дом, рассчитывая, что те сами смогут понять все особенности тематики и освоить непростые формулы. К сожалению, некоторые школьники поверхностно подходят к домашним заданиям, что потом не дает им возможности правильно справляться с практическими номерами. <strong>Решебник Мякишева по физике</strong> позволит восполнить образовавшиеся пробелы. </p> <p> Благодаря занятиям с электронным пособием учащиеся смогут весьма улучшить: </p> <ol> <li>знания;</li> <li>оценки;</li> <li>подготовку;</li> <li>результаты по тестированиям.</li> </ol> <p> Чтобы открыть решебник, достаточно иметь под рукой любой современный гаджет с выходом в Интернет. Удобная и понятная структура, идентичная оригинальному учебнику, позволит мгновенно перейти к выбранному номеру. Верные ответы и готовые решения сделают процесс самоконтроля более легким и простым. Ученики смогут сразу понять, правильно ли они выполнили упражнение, а если нет - в чем именно допустили ошибку. </p> <h2> С решебником к хорошим оценкам </h2> <p> Некоторые родители еще мыслят по-старинке, поэтому записывают детей к репетиторам. Однако это не самый лучший способ привить ребенку нужные знания. Нагрузки в школе и так велики, поэтому любые дополнительные занятия способны вызвать лишь негатив со стороны учащихся. Чтобы этого не произошло, стоит просто воспользоваться <strong>готовыми домашними заданиями «Физика 10 класс Учебник Мякишев Г.Я.»</strong>. </p> <p> Онлайн-справочник набрал огромную популярность, благодаря тому, что он: </p> <ul> <li>систематически обновляется и дополняется;</li> <li>составлен профессиональными методистами;</li> <li>включает в себя только проверенную информацию;</li> <li>соответствует строгим образовательным стандартам.</li> </ul> <p> По проведенным опросам среди учащихся десятых классов и их преподавателей, подростки, которые используют решебник, значительно лучше воспринимают тематику и хорошо подготовлены к урокам, включая внеплановые контрольные. Поэтому можно с уверенностью сказать, что успеваемость у таких учеников намного выше, чем у тех, кто не занимается с ГДЗ. </p>"
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                    "field_description_bottom" => "<!--Текст в низу страницы--> <h2> Почему нужны ГДЗ? </h2> <p> В старшей школе многие аспекты учебного материала становятся намного сложнее, сродни тем, что проходят на первых курсах институтов. Поэтому любое невнимание или упущение может плохо сказаться на качестве полученных знаний. Школьникам нужно не просто тщательно штудировать заданные параграфы, но и разбирать все непонятные моменты, так как на уроках на это зачастую нет времени. Хорошим подспорьем станет для учащихся сборник <strong>ГДЗ по физике 10 класс Учебник Мякишев, Буховцев, Сотский (Просвещение, 2019-2023 г.)</strong>. </p> <p> За предстоящий учебный год ученики должны получить представление о: </p> <ol> <li>Механическом движении.</li> <li>Способах описания движения.</li> <li>Траектория. Путь. Перемещение.</li> <li>Сложении скоростей.</li> <li>Мгновенной и средней скорости.</li> <li>Движении с постоянным ускорением, и т. д.</li> </ol> <p> На страницах решебника представлены подробные пояснения по всему текущему курсу. Издание станет прекрасным дополнением к основному учебнику, позволит увидеть разнообразные наглядные примеры, которых подростки по сути лишены. Это даст возможность четко представить, как можно практическим путем объяснить различные природные явления, деятельность человека. </p> <h2> Чего можно добиться с ГДЗ? </h2> <p> Занятия по физике, как правило, проходят один-два раза в неделю по часу. Учитывая объемы материала, такого ограниченного времени не хватает на проведение полноценных уроков. Учителя многое задают ребятам на дом, рассчитывая, что те сами смогут понять все особенности тематики и освоить непростые формулы. К сожалению, некоторые школьники поверхностно подходят к домашним заданиям, что потом не дает им возможности правильно справляться с практическими номерами. <strong>Решебник Мякишева по физике</strong> позволит восполнить образовавшиеся пробелы. </p> <p> Благодаря занятиям с электронным пособием учащиеся смогут весьма улучшить: </p> <ol> <li>знания;</li> <li>оценки;</li> <li>подготовку;</li> <li>результаты по тестированиям.</li> </ol> <p> Чтобы открыть решебник, достаточно иметь под рукой любой современный гаджет с выходом в Интернет. Удобная и понятная структура, идентичная оригинальному учебнику, позволит мгновенно перейти к выбранному номеру. Верные ответы и готовые решения сделают процесс самоконтроля более легким и простым. Ученики смогут сразу понять, правильно ли они выполнили упражнение, а если нет - в чем именно допустили ошибку. </p> <h2> С решебником к хорошим оценкам </h2> <p> Некоторые родители еще мыслят по-старинке, поэтому записывают детей к репетиторам. Однако это не самый лучший способ привить ребенку нужные знания. Нагрузки в школе и так велики, поэтому любые дополнительные занятия способны вызвать лишь негатив со стороны учащихся. Чтобы этого не произошло, стоит просто воспользоваться <strong>готовыми домашними заданиями «Физика 10 класс Учебник Мякишев Г.Я.»</strong>. </p> <p> Онлайн-справочник набрал огромную популярность, благодаря тому, что он: </p> <ul> <li>систематически обновляется и дополняется;</li> <li>составлен профессиональными методистами;</li> <li>включает в себя только проверенную информацию;</li> <li>соответствует строгим образовательным стандартам.</li> </ul> <p> По проведенным опросам среди учащихся десятых классов и их преподавателей, подростки, которые используют решебник, значительно лучше воспринимают тематику и хорошо подготовлены к урокам, включая внеплановые контрольные. Поэтому можно с уверенностью сказать, что успеваемость у таких учеников намного выше, чем у тех, кто не занимается с ГДЗ. </p>"
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            "text" => "<p>Потенциальная энергия тела в поле тяготения Земли зависит от его массы и высоты над некоторым выбранным нулевым уровнем. В данной задаче в качестве нулевого уровня удобно выбрать поверхность земли. Формула для потенциальной энергии тела имеет вид:</p><p>$$ E_p = mgh $$</p><p>где $m$ — масса тела, $g$ — ускорение свободного падения, а $h$ — высота тела над поверхностью земли.</p><p>Из формулы следует, что потенциальная энергия $E_p$ прямо пропорциональна высоте $h$. Таким образом, чтобы найти точку с минимальной потенциальной энергией, необходимо найти точку с минимальной высотой.</p><p>Проанализируем высоты тела в каждой из четырех отмеченных точек, принимая поверхность земли за нулевой уровень ($h=0$):</p><p>В точке 1 тело находится на начальной высоте $h_1 = h_0$.</p><p>В точке 2 тело достигает максимальной высоты на своей траектории, то есть ее высота $h_2$ — наибольшая ($h_2 &gt; h_1$).</p><p>В точке 3 тело находится на той же высоте, что и в точке 1, то есть $h_3 = h_1 = h_0$.</p><p>В точке 4 тело падает на землю, поэтому его высота $h_4 = 0$.</p><p>Сравнивая высоты в данных точках ($h_2 &gt; h_3 = h_1 &gt; h_4$), мы видим, что наименьшая высота достигается в точке 4. Следовательно, в этой точке потенциальная энергия тела будет минимальной.</p><p><strong>Ответ:</strong> 4</p>"
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            "text" => "<p>Потенциальная энергия тела в поле тяготения Земли зависит от его массы и высоты над некоторым выбранным нулевым уровнем. В данной задаче в качестве нулевого уровня удобно выбрать поверхность земли. Формула для потенциальной энергии тела имеет вид:</p><p>$$ E_p = mgh $$</p><p>где $m$ — масса тела, $g$ — ускорение свободного падения, а $h$ — высота тела над поверхностью земли.</p><p>Из формулы следует, что потенциальная энергия $E_p$ прямо пропорциональна высоте $h$. Таким образом, чтобы найти точку с минимальной потенциальной энергией, необходимо найти точку с минимальной высотой.</p><p>Проанализируем высоты тела в каждой из четырех отмеченных точек, принимая поверхность земли за нулевой уровень ($h=0$):</p><p>В точке 1 тело находится на начальной высоте $h_1 = h_0$.</p><p>В точке 2 тело достигает максимальной высоты на своей траектории, то есть ее высота $h_2$ — наибольшая ($h_2 &gt; h_1$).</p><p>В точке 3 тело находится на той же высоте, что и в точке 1, то есть $h_3 = h_1 = h_0$.</p><p>В точке 4 тело падает на землю, поэтому его высота $h_4 = 0$.</p><p>Сравнивая высоты в данных точках ($h_2 &gt; h_3 = h_1 &gt; h_4$), мы видим, что наименьшая высота достигается в точке 4. Следовательно, в этой точке потенциальная энергия тела будет минимальной.</p><p><strong>Ответ:</strong> 4</p>"
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}
№2 (с. 145)
Условие. №2 (с. 145)
Физика, 10 класс Учебник, авторы: Мякишев Генадий Яковлевич, Буховцев Борис Борисович, Сотский Николай Николаевич, издательство Просвещение, Москва, 2019, страница 145, номер 2, Условие
Решение. №2 (с. 145)
Физика, 10 класс Учебник, авторы: Мякишев Генадий Яковлевич, Буховцев Борис Борисович, Сотский Николай Николаевич, издательство Просвещение, Москва, 2019, страница 145, номер 2, Решение
Решение 3. №2 (с. 145)

Потенциальная энергия тела в поле тяготения Земли зависит от его массы и высоты над некоторым выбранным нулевым уровнем. В данной задаче в качестве нулевого уровня удобно выбрать поверхность земли. Формула для потенциальной энергии тела имеет вид:

$$ E_p = mgh $$

где $m$ — масса тела, $g$ — ускорение свободного падения, а $h$ — высота тела над поверхностью земли.

Из формулы следует, что потенциальная энергия $E_p$ прямо пропорциональна высоте $h$. Таким образом, чтобы найти точку с минимальной потенциальной энергией, необходимо найти точку с минимальной высотой.

Проанализируем высоты тела в каждой из четырех отмеченных точек, принимая поверхность земли за нулевой уровень ($h=0$):

В точке 1 тело находится на начальной высоте $h_1 = h_0$.

В точке 2 тело достигает максимальной высоты на своей траектории, то есть ее высота $h_2$ — наибольшая ($h_2 > h_1$).

В точке 3 тело находится на той же высоте, что и в точке 1, то есть $h_3 = h_1 = h_0$.

В точке 4 тело падает на землю, поэтому его высота $h_4 = 0$.

Сравнивая высоты в данных точках ($h_2 > h_3 = h_1 > h_4$), мы видим, что наименьшая высота достигается в точке 4. Следовательно, в этой точке потенциальная энергия тела будет минимальной.

Ответ: 4

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