A body's velocity changes from 0 m/s to 20 m/s over 50 m. Its acceleration is:

  1. 4 m/s^2
  2. -4 m/s^2
  3. 2 m/s^2
  4. 8 m/s^2
Answer

A) 4 m/s^2

a = v^2 - u^22s = 400 - 02(50) = 4 m/s^2. SLO P-11-B-04 · Application

Physics MCQ · More Kinematics and Projectile Motion MCQs · Practise