1.) A 0.06 Kg rubber ball bounces off the floor. When it is 0.2m high its speed is 1.2 m/s.
a) How much kinetic energy did it have immediately after losing contact with the floor?
b) The apex (highest point) of the ball's motion after impact is 0.24m (note: It is still in motion at his point. This is a two dimensional motion.) How much kinetic energy does it have at the apex?