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Консультация № 196334
09.09.2019, 09:12
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Уважаемые эксперты! Пожалуйста, ответьте на вопрос:
Точка участвует одновременно в двух гармонических колебаниях одного направления:
X1 = 3 Cos 10,4πt , см
X2 = 3 Cos 10 πt,см
Записать уравнение результирующего колебания. Определить период биения, период колебаний и число колебаний точки за один период биения. Укажите значение max и min амплитуды результирующего колебания.
Точка участвует одновременно в двух гармонических колебаниях одного направления:
X1 = 3 Cos 10,4πt , см
X2 = 3 Cos 10 πt,см
Записать уравнение результирующего колебания. Определить период биения, период колебаний и число колебаний точки за один период биения. Укажите значение max и min амплитуды результирующего колебания.
Обсуждение
10.09.2019, 10:06
общий
это ответ
Здравствуйте, gena.sorbuchev!
В Вашем случае
см -- амплитуды колебаний, 
рад/с и 
рад/с -- круговые частоты колебаний. В соответствии с изложенным на страницах 239 -- 242 [1], имеем
, см
-- уравнение результирующего колебания;
(с)
-- период биения (период изменения амплитуды колебаний);
(с)
-- период колебаний материальной точки;
-- число колебаний точки за один период биения;
см [2, с. 127]
-- минимальное и максимальное значения амплитуды результирующего колебания.
Литература
1. Савельев И. В. Курс физики. В 3 т. Т. 1. -- М.: Наука, 1970.
2. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
В Вашем случае
см -- амплитуды колебаний, рад/с и рад/с -- круговые частоты колебаний. В соответствии с изложенным на страницах 239 -- 242 [1], имеем, см-- уравнение результирующего колебания;
(с)-- период биения (период изменения амплитуды колебаний);
(с)-- период колебаний материальной точки;
-- число колебаний точки за один период биения;
см [2, с. 127]-- минимальное и максимальное значения амплитуды результирующего колебания.
Литература
1. Савельев И. В. Курс физики. В 3 т. Т. 1. -- М.: Наука, 1970.
2. 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
Об авторе:
Facta loquuntur.
Facta loquuntur.
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