等速圓周運動的題目 - 運動
By Carol
at 2007-10-22T00:00
at 2007-10-22T00:00
Table of Contents
圓錐繩端所繫擺錘以1.21m/s的等速率沿水平的圓形擺動若繩長1.2m與垂直線的夾角為20度求擺錘的加速度麻煩你了
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運動
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By Linda
at 2007-10-22T16:41
at 2007-10-22T16:41
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