已知简谐运动方程为x=0.1cos(πt+0.25π)已知简谐运动方程为x=0.1cos(πt+0.25π)(SI单位).求:(1)振幅角频率、周期、频率和初位相;(2)速度和加速度
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![已知简谐运动方程为x=0.1cos(πt+0.25π)已知简谐运动方程为x=0.1cos(πt+0.25π)(SI单位).求:(1)振幅角频率、周期、频率和初位相;(2)速度和加速度](/uploads/image/z/6402557-29-7.jpg?t=%E5%B7%B2%E7%9F%A5%E7%AE%80%E8%B0%90%E8%BF%90%E5%8A%A8%E6%96%B9%E7%A8%8B%E4%B8%BAx%3D0.1cos%28%CF%80t%2B0.25%CF%80%29%E5%B7%B2%E7%9F%A5%E7%AE%80%E8%B0%90%E8%BF%90%E5%8A%A8%E6%96%B9%E7%A8%8B%E4%B8%BAx%3D0.1cos%EF%BC%88%CF%80t%2B0.25%CF%80%EF%BC%89%28SI%E5%8D%95%E4%BD%8D%EF%BC%89.%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E6%8C%AF%E5%B9%85%E8%A7%92%E9%A2%91%E7%8E%87%E3%80%81%E5%91%A8%E6%9C%9F%E3%80%81%E9%A2%91%E7%8E%87%E5%92%8C%E5%88%9D%E4%BD%8D%E7%9B%B8%EF%BC%9B%EF%BC%882%EF%BC%89%E9%80%9F%E5%BA%A6%E5%92%8C%E5%8A%A0%E9%80%9F%E5%BA%A6)
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