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Starting from the origin a body osillate...

Starting from the origin a body osillates simple harmonicall with a period of 2 s. A fter what time will its kinetic energy be 75% of the total energy?

A

`1/4` s

B

`1/3` s

C

`1/(12)` s

D

`1/6` s

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The correct Answer is:
D
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