Physics, 25.10.2021 04:40 marchellepenuliar

dao động của 1 vật là tổng hợp của 2 dao động điều hòa thành phần cùng phương , cùng tần số , cùng biên độ là 3cm. biết dao động tổng hợp của vật có biên độ bằng 3cm. Tìm độ lớn lệch pha giữa 2 dao động thành phần

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dao động của 1 vật là tổng hợp của 2 dao động điều hòa thành phần cùng phương , cùng tần số , cùng b...

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