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

Options

  1. A0.5 ~s
  2. B0.75 ~s
  3. C0.125 ~s
  4. D0.25 ~s

Correct answer

A. 0.5 ~s

Step-by-step solution

aligned & x =2 10⁻² t & v =-0.02 t aligned v is maximum at t = 1 2 =0.5 ~sec

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