A 3.2 kg sloth hangs 3.2 m above the ground.
(a) What is the gravitational potential energy of the sloth-Earth system if we take the reference point y = 0 to be at the ground? J
(b) Assume the sloth drops to the ground and air drag on it is negligible. What is the kinetic energy of the sloth just before it reaches the ground? J
(c) What is the speed of the sloth at this time?