等速率圓周運動是符合力學能守恆嗎? - 運動
By Tracy
at 2014-02-18T00:00
at 2014-02-18T00:00
Table of Contents
等速率圓周運動是如飛機在同一高度飛行,做等速率圓周運動,他的位能固定,動能是1/2mv平方,所以動能也固定,這樣不就力學能守恆,但是怪怪的,因為她有向心加速度,就有向心力,就有施力,也有移動,就有功的變化,w=FxS,兩者不應該是相符合的/?知道的人請幫忙解釋一下,謝謝...Showmore
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運動
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By Mason
at 2014-02-18T22:55
at 2014-02-18T22:55
By Barb Cronin
at 2014-02-21T05:37
at 2014-02-21T05:37
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