A 0.145 kg body moves at 40 m/s. Its kinetic energy is:

  1. 2.9 J
  2. 116 J
  3. 58 J
  4. 232 J
Answer

B) 116 J

K = 12mv^2 = 12(0.145)(40)^2 = 116 J. SLO P-11-B-29 · Application

Physics MCQ · More Work and Energy MCQs · Practise