A 2 kg body moves at 3 m/s. Its kinetic energy is:

  1. 4.5 J
  2. 3 J
  3. 18 J
  4. 9 J
Answer

D) 9 J

K = 12mv^2 = 12(2)(3)^2 = 9 J. SLO P-11-B-29 · Application

Physics MCQ · More Work and Energy MCQs · Practise