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Консультация № 200483
24.03.2021, 11:00
0.00 руб.
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1
Здравствуйте! Прошу помощи в следующем вопросе: Определить начальную фазу колебаний тела, если через 0.25 сек от начала движения, смещение было равно половине амплитуды, Период колебаний 6 с.
Обсуждение
24.03.2021, 14:31
общий
это ответ
Здравствуйте, vladislav.makeev88!
Предлагаю Вам следующее решение задачи.
Дано:
-- смещение колеблющегося тела через 
с от начала движения (
-- амплитуда колебаний); 
с -- период колебаний.
Определить:
-- начальную фазу колебаний.
Если тело совершает гармонические колебания, в которых его смещение
изменяется с течением времени 
по закону 
то циклическая частота колебаний составляет 
или, в рассматриваемом случае, 
(с-1). Значит, в соответствии с уравнением колебаний и условием задачи, имеем
Ответ:
Литература
Яворский Б. М., Селезнёв Ю. А. Справочное руководство по физике для поступающих в вузы и для самообразования. -- М.: Наука, 1989. -- 576 с.
Предлагаю Вам следующее решение задачи.
Дано:
-- смещение колеблющегося тела через с от начала движения ( -- амплитуда колебаний); с -- период колебаний.Определить:
-- начальную фазу колебаний.Решение
Если тело совершает гармонические колебания, в которых его смещение
изменяется с течением времени по закону то циклическая частота колебаний составляет или, в рассматриваемом случае, (с-1). Значит, в соответствии с уравнением колебаний и условием задачи, имеемОтвет:
Литература
Яворский Б. М., Селезнёв Ю. А. Справочное руководство по физике для поступающих в вузы и для самообразования. -- М.: Наука, 1989. -- 576 с.
5
СПАСИБО :)
Об авторе:
Facta loquuntur.
Facta loquuntur.
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