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The displacement of an object attached t...

The displacement of an object attached to a spring and executing a simple harmonic motion is given by `x=(2xx10^(-2)) "cos" pi t` metre. The time at which the maximum speed first occurs is

A

0.5 s

B

0.75 s

C

0.125 s

D

0.25 s

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The correct Answer is:
A
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