A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance x = 0.91 m from the end of the track after falling a vertical distance h2 (bottom of ramp)= 1.03 m from the end of the track.
(a) At what height above the ground does the ball start to move?
____ m
(b) What is the speed of the ball when it leaves the track?
____ m/s
(c) What is the speed of the ball when it hits the ground?
____ m/s