A wheel starts at 0 rad/s with angular acceleration 4 rad/s^2. In 5 s it turns through:

  1. 25 rad
  2. 100 rad
  3. 52 rad
  4. 50 rad
Answer

D) 50 rad

theta = omegai t + 12alpha t^2 = 50 rad (about 7.96 revolutions). SLO P-11-B-09 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise