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Консультация № 202618
15.04.2022, 16:03
0.00 руб.
16.04.2022, 14:41
0
1
1
Здравствуйте! У меня возникли сложности с таким вопросом:
Шар массой m1 = 2 кг, движущийся со скоростью v1 = 4 м/с,
сталкивается с шаром массой m2 = 4 кг, скорость которого v2 = 12 м/с.
Найти скорости шаров после неупругого удара.
Шар массой m1 = 2 кг, движущийся со скоростью v1 = 4 м/с,
сталкивается с шаром массой m2 = 4 кг, скорость которого v2 = 12 м/с.
Найти скорости шаров после неупругого удара.
Обсуждение
15.04.2022, 19:35
общий
это ответ
Здравствуйте, maria2609_89!
Предлагаю Вам следующее решение задачи в предположении, что шары до соударения двигались навстречу друг другу.
Дано:
кг -- масса первого шара; 
м/с -- скорость первого шара до соударения; 
кг -- масса второго шара; 
м/с -- скорость второго шара до соударения.
Определить:
-- скорости шаров после неупругого удара.
Примем за положительное направление движения второго шара до соударения. Тогда в проекции на это направление, в соответствии с законом сохранения импульса, получим
(м/с),
причём движение будет продолжаться в том же направлении, в котором двигался второй шар до соударения.
Ответ:
м/с.
Операция умножения обозначена символом "
".
Предлагаю Вам следующее решение задачи в предположении, что шары до соударения двигались навстречу друг другу.
Дано:
кг -- масса первого шара; м/с -- скорость первого шара до соударения; кг -- масса второго шара; м/с -- скорость второго шара до соударения.Определить:
-- скорости шаров после неупругого удара.Решение
Примем за положительное направление движения второго шара до соударения. Тогда в проекции на это направление, в соответствии с законом сохранения импульса, получим
(м/с),причём движение будет продолжаться в том же направлении, в котором двигался второй шар до соударения.
Ответ:
м/с.Операция умножения обозначена символом "
".
5
Спасибо большое!!!
Об авторе:
Facta loquuntur.
Facta loquuntur.
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