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Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Rotational Motion

Olympiad workbook · NSEP · Rotational Motion

A circular disc of radius R=10 ~cm is uniformly rolling on a...

A circular disc of radius R=10 cm\mathrm{R}=10 \mathrm{~cm} is uniformly rolling on a horizontal surface with a velocity v=4 ms−1\mathrm{v}=4 \mathrm{~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 A circular disc of radius R=10 ~cm is uniformly rolling on a horizontal surface with a velocity v=4 ~ms^ -1 of centre

Options

  1. At=0.025 s\mathrm{t}=0.025 \mathrm{~s}
  2. Bt=0.036 s\mathrm{t}=0.036 \mathrm{~s}
  3. Ct=0.046 s\mathrm{t}=0.046 \mathrm{~s}
  4. Dt=0.064 s\mathrm{t}=0.064 \mathrm{~s}

Correct answer

B. t=0.036 s\mathrm{t}=0.036 \mathrm{~s}

Step-by-step solution

No Solution
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