物理的問題
回答 (2)
2007-11-09 12:48 am
✔ 最佳答案
位移本身係vector分magnitude 同direction(應該是你指的移動)
The magnitude of the displacement is eqeal to the shortest distance between the starting point and the end point ,which is independent of the travelled path起點同終點拉成直線,佢地之間的距離....
而direction就係由起點向住終點的方向......
個s.i. unit係ms-1
參考: physics bk
收錄日期: 2021-04-20 22:30:28
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