Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A small particle of mass 
is moving towards left with speed 
. It collides with a very heavy wall which is moving towards right with speed 
. If collision is perfectly elastic, velocity of particle just after collision is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For heavy wall, 
, for elastic collision)
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