16.一单摆悬线长为l=15m,在悬点下方045m处有个小钉子,如图所示。将摆球在悬线右侧释放,做小角度摆动,求左右两侧振动幅度之比A1:A2
16.一单摆悬线长为l=15m,在悬点下方045m处有个小钉子,如图所示。将摆球在悬线右侧释放,做小角度摆动,求左右两侧振动幅度之比A1:A2
发布时间:2024-04-20 13:06:09
16.一单摆悬线长为l=15m,在悬点下方045m处有个小钉子,如图所示。将摆球在悬线右侧释放,做小角度摆动,求左右两侧振动幅度之比A1:A2