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题目
An ib physics problem about kinetic energy and momentum!
Show than in an elastic,head-on collision of a particle of mass m with a stationary particle of mass M is (4mM)/(m+M)^2.That's the question.

提问时间:2021-04-21

答案
Use energy conservation and momentum conservation laws.Before collision, the velocity of m is v, and M is 0. Assume that after collision the velocity of m is u and that of M is w, thenmomentum conserv...
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