Work Energy And Power Question 91

Question: A particle of mass m moving with a velocity $ \vec{V} $ makes a head on elastic collision with another particle of same mass initially at rest. The velocity of the first particle after the collision will be [MP PMT 1997; MP PET 2001; UPSEAT 2001]

Options:

A) $ \vec{V} $

B) $ -\vec{V} $

C) $ -2\vec{V} $

D) Zero

Show Answer

Answer:

Correct Answer: D

Solution:

In perfectly elastic head on collision of equal masses velocities gets interchanged



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