http://i364.photobucket.com/albums/oo87/davis1991411/yoman.jpg
問題1:
max. frictional force係6N定係11N?
問題2:what is the ans?
this is the question of 1991 mc CE paper no. 9
urgent
會考__phy MC問題!急!就黎考啦!
2009-04-18 9:11 pm
回答 (1)
2009-04-18 9:58 pm
✔ 最佳答案
The answer is as follows:圖片參考：http://i320.photobucket.com/albums/nn347/old-master/090418_2.jpg?t=1240034253
收錄日期: 2021-04-29 18:16:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090418000051KK00840