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Physics, 17.06.2021 16:20 justin20080

1 chất điểm dạo động đều hoa theo pt x=Acos(πt+2π/3) chất điểm đi qua vị trí có li độ bằng a/2 lần thứ 2 kể từ lúc bắt đầu dạo động vào thời điểm nào

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1 chất điểm dạo động đều hoa theo pt x=Acos(πt+2π/3) chất điểm đi qua vị trí có li độ bằng a/2 lần t...
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