You and a flight attendant toss a ball back and forth in an airplane in flight. Does the kinetic energy of the ball depend on the speed of the airplane? Explain.
a) Yes, the kinetic energy of the ball depends on the speed of the airplane because the airplane's speed adds to the ball's velocity.
b) No, the kinetic energy of the ball does not depend on the speed of the airplane because the ball's kinetic energy is independent of external speeds.
c) Maybe, it depends on the altitude of the airplane rather than its speed.
d) Yes, but only if the airplane's speed is constant throughout the flight.
