A wheel accelerates uniformly from rest at 2 rad/s^2. The time it takes to reach 30 rad/s is:

  1. 15 s
  2. 60 s
  3. 28 s
  4. 7.5 s
Answer

A) 15 s

t = omegaf - omegaialpha = 302 = 15 s. SLO P-11-B-09 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise