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)

魏王將張遼

2007-09-07 5:26 am

✔ 最佳答案

As follows:

圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Sep07/Crazydiff3.jpg

參考: My Mahts knowledge

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