http://img195.imageshack.us/i/72302147.png/
+ EXPLAIN
thz....
PHY 2004 MCQ 12
2009-08-14 6:55 am
回答 (1)
2009-08-14 7:28 am
✔ 最佳答案
ans is Aforce= F
velocity=v
By P=Fv=(F*s)/t
係咁簡單..希望你明啦
收錄日期: 2021-05-03 01:53:46
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090813000051KK02435