Assume that a person bouncing a ball represents a closed system. Which statement best describes how the amounts of the ball's potential energy and kinetic energy change? A. Both the energy of the ball's potential and kinetic energy decrease.
B. Both the kinetic and the potential energy of the ball increase.
C. The ball's potential energy decreases as it rises and its kinetic energy increases.
D. The ball's kinetic energy increases as it fall's and its potential energy decrease