The displacement of an object attached to a spring and executing simple harmonic motion is given by x=2×10⁻² cos πt metre. The time at which the maximum speed first occurs is

Options

(a) 0.25 s
(b) 0.5 s
(c) 0.75 s
(d) 0.125 s

Correct Answer:

0.5 s

Explanation:

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