Elastic head-on collision
2008-06-26 9:40 pm
A 0.28-kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the fist ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic energy (Change in KE/KE) gets transferred to the second ball?
回答 (1)
2008-06-26 10:25 pm
✔ 最佳答案
The Q is solved as follows:圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Phy037.jpg?t=1214461541
參考: My Phy Knowledge
收錄日期: 2021-04-19 01:20:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080626000051KK01060