A wheel starts at 5 rad/s with angular acceleration 0.5 rad/s^2. After 20 s its angular velocity is:

  1. 7.5 rad/s
  2. 15 rad/s
  3. 30 rad/s
  4. 11 rad/s
Answer

B) 15 rad/s

omegaf = omegai + alpha t = 5 + (0.5)(20) = 15 rad/s. SLO P-11-B-09 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise