我搞唔清楚initial velocity同final velocity
有時我以為個motion既initial velocity係at rest, 原來又唔係
有時我以為motion既final velocity係 at rest, 原來又唔係
搞到計錯哂d數
我唔知點樣先定個motion個刻係at rest定咩
其實點樣先為之at rest?
可唔可以教下點分我同比下d example.
唔該x10000000000!!!!!!!!!!!!
收錄日期: 2021-04-13 14:50:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071228000051KK02677