Physics, 17.06.2021 17:00 emmaschloegl21x
Xác định biên độ, tần số góc, chu kì, tần số và pha ban đầu của dao động điều hòa sau: x= 2cos(4πt+ π/4)cm
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Xác định biên độ, tần số góc, chu kì, tần số và pha ban đầu của dao động điều hòa sau:
x= 2cos(4πt+...
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