速度方向和角速度方向(等速率員周運動)摩擦 - 運動
By Jessica
at 2008-08-16T00:00
at 2008-08-16T00:00
Table of Contents
1.若有一個動點繞著固定點作等速率圓周運動,他的速度方向會有和角速度方向相反的時候嗎??請證明一下??2.滑鼠從靜止到移動再到停止這3個動作,分別為哪種摩擦???請詳述一下???謝謝!!
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運動
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By Oscar
at 2008-08-20T05:11
at 2008-08-20T05:11
By Tracy
at 2008-08-19T00:51
at 2008-08-19T00:51
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