A soft tennis ball is dropped onto a hard floor from a height of 1.55 m and rebounds to a height of 1.17 m. (Assume that the positive direction is upward.)
(a) Calculate its velocity just before it strikes the floor. _______ m/s ?
(b) Calculate its velocity just after it leaves the floor on its way back up._______ m/s ?
(c) Calculate its acceleration during contact with the floor if that contact lasts 3.50 ms._______ m/s2?
(d) How much did the ball compress during its collision with the floor, assuming the floor is absolutely rigid? ______ m?