在無摩擦力的平面上,一定是等速度運動嗎? - 運動

By Donna 
at 2011-04-16T00:00
at 2011-04-16T00:00
Table of Contents
如題:在無摩擦力的平面上,一定是等速度運動嗎?有沒有可能是等加速度?還是不一定?可以舉例嗎謝謝!!
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        運動
        
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By Daph Bay 
at 2011-04-19T10:44
at 2011-04-19T10:44

By Isla 
at 2011-04-20T09:57
at 2011-04-20T09:57

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at 2011-04-18T18:26
at 2011-04-18T18:26

By Michael 
at 2011-04-19T02:17
at 2011-04-19T02:17
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