ce amaths-differentation
2007-09-07 5:03 am
Car A is running due north at 1/2 km/min and car B is running along the NEdirection at √2 km/min.AT NOON,b started at O AND A started at a position which is 5km due north of O. WHEN WILL THEY BE CLOSTEST TO EACH OTHER AND HOW CLOSE WILL THEY BE?
回答 (1)
2007-09-07 5:26 am
參考: My Mahts knowledge
收錄日期: 2021-04-13 13:25:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070906000051KK03930