A ball having amass of 150 g strikes a wall with aspeed of 4.8 m/s and rebounds withonly 50% of its initial kinetic energy.
(a) What is the speed of the ball immediately afterrebounding?
m/s
(b) What is the magnitude of the impulse on the wall from theball?
Ns
(c) If the ball was in contact with the wall for 8.0 ms, what was the magnitude of the averageforce exerted by the wall on the ball during this timeinterval?
N