a mechanic question

👨🏻‍🏫 學術台其他 - 科學

2009-11-08 10:27 am

refer to the link, can anyone slove the question? thanks

http://i649.photobucket.com/albums/uu213/cyn001/2-1.jpg

回答 (1)

2009-11-08 4:49 pm

✔ 最佳答案

By conservation of momentum:m1v1=-m2v2
By conservation of energy:

圖片參考：http://imgcld.yimg.com/8/n/HA00028060/o/700911080017813873407200.jpg

第3行約到係因為m1v1=-m2v2
-m2v2+m2v2=0

參考: myself

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收錄日期: 2021-04-25 23:15:27
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