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Olympiad workbookNSEPRotational Motion

A circular disc of radius R =10 ~cm is uniformly rolling on a horizontal surface with a velocity v =4 ~ms ⁻¹ of centre of mass without slipping, the time taken by the disc to have the speed of point A (which lies on the circumference) equal to the present speed of point B (point B lies midway between centre and the point A ) is

Options

  1. At =0.025 ~s
  2. Bt =0.036 ~s
  3. Ct =0.046 ~s
  4. Dt =0.064 ~s

Correct answer

B. t =0.036 ~s

Step-by-step solution

No Solution

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