物理直線運動的幾個問題 - 運動
By Tracy
at 2010-02-19T00:00
at 2010-02-19T00:00
Table of Contents
1.在何種情況下,進行直線運動中的質點,其位移量值和路徑長相等?2.如果在同一個參考系中,原點的選取不同,則所得的質點位置座標、位移、及路勁長是否會有不同?3.跳過4.在汽車行駛的過程中,見到車子的速率表顯示40km/h,是否表示車子一直作等速度運動?而且加速度為零?5.一物體的速度為零
Tags:
運動
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By Zenobia
at 2010-02-23T00:55
at 2010-02-23T00:55
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