A 6.7 kg object moves with a velocity of 8 m/s. What’s its kinetic energy? A. 53.6 J B. 167.5 J C. 26.8 J D. 214.4
Answers:
A 6.7 kg object moves with a velocity of 8 m/s. Its kinetic energy is 214.4J. Solution: kinetic energy= 1/2 *m*v^2 , Kinetic energy =1/2 * 6.7* 8 *8 = 214.4J