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Консультация № 196053
05.08.2019, 21:49
0.00 руб.
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1
1
Здравствуйте, уважаемые эксперты! Прошу вас ответить на следующий вопрос:
Вынужденные колебания описываются дифференциальным уравнением 0,4d^2x/dt^2 + 0,48dx/dt + 1,6x = 0,8Sin3t. Найдите частоту этих вынужденных колебаний. Чему равна частота собственных колебаний системы. При какой частоте внешней силы будет наблюдаться резонанс?
Вынужденные колебания описываются дифференциальным уравнением 0,4d^2x/dt^2 + 0,48dx/dt + 1,6x = 0,8Sin3t. Найдите частоту этих вынужденных колебаний. Чему равна частота собственных колебаний системы. При какой частоте внешней силы будет наблюдаться резонанс?
Обсуждение
08.08.2019, 18:38
общий
это ответ
Здравствуйте, dar777!
Согласно формулам на с. 137 -- 139 [1], в Вашем случае
Частота установившихся вынужденных колебаний совпадает с частотой изменения внешней силы и составляет
(с-1);
частота собственных колебаний системы
(с-1);
резонанс будет наблюдаться при частоте внешней силы, равной
(с-1).
Литература
1. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
Согласно формулам на с. 137 -- 139 [1], в Вашем случае
Частота установившихся вынужденных колебаний совпадает с частотой изменения внешней силы и составляет
(с-1);частота собственных колебаний системы
(с-1);резонанс будет наблюдаться при частоте внешней силы, равной
(с-1).Литература
1. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
5
Это самое лучшее решение!
Об авторе:
Facta loquuntur.
Facta loquuntur.
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