Physics, 13.10.2021 23:10, preshoo1454

Một vật thực hiện đồng thời hai dao động điều hoà cùng phương có các phương trình dao động là x1 = 2cos(10t) (cm) và x2 = 2cos(10t – /3) (cm). Phương trình dao động tổng hợp của vật là:

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Một vật thực hiện đồng thời hai dao động điều hoà cùng phương có các phương trình dao động là x1 = 2...

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