A wheel starts at 30 rad/s with angular acceleration -3 rad/s^2. In 8 s it turns through:

  1. 72 rad
  2. 288 rad
  3. 48 rad
  4. 144 rad
Answer

D) 144 rad

theta = omegai t + 12alpha t^2 = 144 rad (about 22.9 revolutions). SLO P-11-B-09 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise