vector問題
2011-10-20 9:59 am
A man travelling southward at 15km/h observes that the wind appears to be coming from the west .On increasing his speed to 24km/h it appears to be coming from the southwest . Find the direction and speed of the wind.
回答 (1)
2011-10-20 3:28 pm
✔ 最佳答案
Please see http://hk.knowledge.yahoo.com/question/question?qid=7011101800790
收錄日期: 2021-04-25 22:37:45
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111020000051KK00053