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A block performs simple harmonic motion ...

A block performs simple harmonic motion with equilibrium point x = 0 . Graph of acceleration of the block as a function of time is shown. Which of the following statement is correct about the block ?

A

Displacement from equilibrium is maximum at t = 4 s

B

Speed is maximum at t = 4 s

C

Speed is minimum at t = 4 s

D

Speed is maximum at t = 3s

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The correct Answer is:
B
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