物理-直線運動的問題 - 運動
By Daph Bay
at 2006-02-11T00:00
at 2006-02-11T00:00
Table of Contents
請問1.(瞬時速度的大小與瞬時速率相同)是什麼意思講義上就這樣寫而已.2.某運動體之位置與時間之關係為x=2t^2-4+3(x:米.t:秒)則(1)t=0之瞬時速度為何?(答案:-4m/s)(2)第5秒末的加速度為何?(答案:4m/s)希望大家幫幫忙唷^^解答都寫上去了希望大家能為我解答疑惑^^...Showmore
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運動
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at 2006-02-13T09:07
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