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During elastic collision...

During elastic collision

A

KE remains constant .

B

KE first increases then decreases

C

KE first decreases then increases

D

KE before collision is greater than kinetic energy after collision .

Text Solution

Verified by Experts

The correct Answer is:
C
During elastic collision bodies are first deformed and then regain shapes . Due to deformation potential energy increases which is at the cost of kinetic energy . But when bodies regain their shape then potential energy stored is released in the form kinetic energy . So kinetic energy first decreases and then increases . Note that in an elastic collision , KE before and after collision is same but it changes durng collision .
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