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Physics, 15.09.2021 08:40 caseyfriemoth1548

một vật dao động điều hòa đại với biên độ A=8 tần số dao động f=4 .tại thời điểm ba vật đầu qua vị trí x=4cm theo chiều âm. phương trình dao động của vật là ?

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một vật dao động điều hòa đại với biên độ A=8 tần số dao động f=4 .tại thời điểm ba vật đầu qua vị t...
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