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A particle executes simple harmonic moti...

A particle executes simple harmonic motion with a frequency f. The frequency with which its kinetic energy oscillates is

A

f/2

B

f

C

2f

D

4f

Text Solution

Verified by Experts

The correct Answer is:
C
`KE = (1)/(2) m A^(2) omega ^(2) cos ^(2) omega t `
`rArr KE = (1)/(2) m A^(2) omega ^(2) ((1 + cos 2 omega t )/( 2))`
Since , ` omega . = 2 omega `
Hence , f. = 2 f
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