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Physics, 17.10.2021 17:50 gabbytopper8373
Một vật thực hiện đồng thời 3 dao động điều hòa cùng pha cùng tần số có phương trình lần lượt là x1 =
5cos(2πt + phi
) cm; x2 = 3cos(2πt − π) cm ; x3 = 4cos(2πt – 5π/6) cm, với 0 <
phi
< π/2 và
tan phi
= 4/3. Phương trình
dao động tổng hợp là
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Một vật thực hiện đồng thời 3 dao động điều hòa cùng pha cùng tần số có phương trình lần lượt là x1...
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