Consider two identical soccer balls. Ball A is kicked and attains a velocity 25 m/sec. Ball B is kicked and attains a velocity of 15 m/sec. At these velocities, Ball A has the greater kinetic energy.

Question

Quizplus · Accepted Answer

Kinetic energy is proportional to the square of velocity, so if ball A has a velocity 1.67 times greater than ball B, its kinetic energy will be (1.67)^2 = 2.78 times greater than ball B's. Therefore, ball A has greater kinetic energy.

Consider Two Identical Soccer Balls