A rubber ball having mass 0.30 kg is dropped from a height of 1.7 m onto the floor. Just after bouncing from the floor, the ball consists of a speed of 3.9 m/s.
(i) Determine the magnitude and direction of the impulse imparted by the floor to the ball?
When the average force of the floor on the ball is 15 N, determine how long is the ball in contact with the floor?