On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth. Suppose he hit the ball with a speed of 21m/s at an angle 26? above the horizontal.
a) How long was the ball in flight?
b) How far did it travel?
c) How much farther would it travel on the moon than on earth?