The equation of motion of a body is S.H....

The equation of motion of a body is S.H.M. is x=4 `sin(pit+pi/3)`. The velocity at the end of 4 seconds will be

A

`pi` cm/s

B

`pi/2` cm/s

C

`3/2` cm/s

D

`2pi` cm/s

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The correct Answer is:

D

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