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
