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The equation for the displacement of a p...

The equation for the displacement of a particle executing SHM is `y = {5 sin 2pi t}cm`. Find (i) the velocity at 3 cm from the mean position,
(ii) acceleration after 0.5 s after leaving the mean position.

A

`8picms^(-1)`, zero

B

`6picm^(-1)`, zero

C

`4picms^(-1)`, zero

D

`2picms^(-1)`, zero

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The correct Answer is:
A
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