Question

kg,
5. A proton of mass 1.67 x 10-27
kg collides elastically
head-on with an a-particle of mass 6.68 x 10-27
initially at rest. After the collision, the a-particle
moves with a speed of 8 x 10 ms-1. Find the speed of
the proton before and after the collision.

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Answer 1

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