向心力不影醒圓周運動的速率WHY?? - 運動
By Wallis
at 2007-03-21T00:00
at 2007-03-21T00:00
Table of Contents
向心力不影醒圓周運動的速率WHY??我現在國三還沒學到功是不是學到那個就會知道了呢??
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運動
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By Tom
at 2007-03-25T04:52
at 2007-03-25T04:52
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