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Physics, 17.06.2021 21:10 lopezma152

Một vật khối lượng 400g dao động điều hòa quanh vị trí cân bằng. Tại thời điểm vật qua vị trí đó có động năng bằng thế năng thì li độ của vật là 5căn2cm. Biên độ dao động của vật là

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Một vật khối lượng 400g dao động điều hòa quanh vị trí cân bằng. Tại thời điểm vật qua vị trí đó có...
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