一物体沿x轴做简谐振动,振幅A=0.12m,周期T=2.0s,当t=0时,物体的位移为x0=0.0

2024-12-31 17:20:10
推荐回答(2个)
回答1:

回答2:

A=0.12cos(πt-π/3)