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Консультация № 194786
24.02.2019, 15:57
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Уважаемые эксперты! Пожалуйста, ответьте на вопрос:
Чему равен период колебаний математического маятника длиной L=2,45 м, который: a) поднимается в лифте с постоянной скоростью V=5 м/с; б) поднимается в лифте с постоянным ускорением а=2 м/c^2; в) находится в автомобиле, движущемся горизонтально с постоянным ускорением а=2 м/^с2?
Чему равен период колебаний математического маятника длиной L=2,45 м, который: a) поднимается в лифте с постоянной скоростью V=5 м/с; б) поднимается в лифте с постоянным ускорением а=2 м/c^2; в) находится в автомобиле, движущемся горизонтально с постоянным ускорением а=2 м/^с2?
Обсуждение
28.02.2019, 08:39
общий
это ответ
Здравствуйте, dar777!
Если пренебречь уменьшением ускорения
свободного падения с увеличением высоты над поверхностью Земли, то маятник, который движется вверх с постоянной скоростью, имеет тот же период колебаний, что и маятник, неподвижный относительно поверхности Земли, то есть
(с).
Если маятник поднимается в лифте с постоянным ускорением, величина которого равна
то в системе отсчёта, в которой маятник неподвижен, величина его ускорения составляет 
а период колебаний равен
(с).
Если маятник, помимо силы тяжести испытывает действие силы инерции, двигаясь горизонтально с ускорением величиной то суммарное ускорение маятника имеет величину 
а период колебаний равен
(с).
Если пренебречь уменьшением ускорения
свободного падения с увеличением высоты над поверхностью Земли, то маятник, который движется вверх с постоянной скоростью, имеет тот же период колебаний, что и маятник, неподвижный относительно поверхности Земли, то есть (с).Если маятник поднимается в лифте с постоянным ускорением, величина которого равна
то в системе отсчёта, в которой маятник неподвижен, величина его ускорения составляет а период колебаний равен (с).Если маятник, помимо силы тяжести испытывает действие силы инерции, двигаясь горизонтально с ускорением величиной
то суммарное ускорение маятника имеет величину а период колебаний равен (с).
5
Это самое лучшее решение!
Об авторе:
Facta loquuntur.
Facta loquuntur.
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