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If the velocity of a body becomes double...

If the velocity of a body becomes double, its kinetic energy will become

A

twice

B

half

C

four time

D

one fourth.

Text Solution

Verified by Experts

The correct Answer is:
C
Kinetic energy = `1/2 mv^2 ` when `v = 2v`
Kinetic energy `= 1/2 m[2v]^2 = 4 1/2 mv^2`
= 4times initial value.
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