A wheel starts at 5 rad/s with angular acceleration 0.5 rad/s^2. In 20 s it turns through:

  1. 200 rad
  2. 100 rad
  3. 300 rad
  4. 400 rad
Answer

A) 200 rad

theta = omegai t + 12alpha t^2 = 200 rad (about 31.8 revolutions). SLO P-11-B-09 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise