400
An airplane is slowing down and flying lower as it prepares to land at an airport. Which statement best describes the energy of the airplane?
a. The kinetic energy decreases, and the potential energy decreases
b. The kinetic energy decreases, and the potential energy increases
c. The kinetic energy increases, and the potential energy decreases
d. The kinetic energy increases, and the potential energy increases
a. The kinetic energy decreases, and the potential energy decreases