In the overhead view of the figure, a 425 g ball with a speed v of 8.0 m/s strikes a wall at an angle of 30 A hat degree and then rebounds with the same speed and angle. It is in contact with the wall for 12.5ms.
(a) What is the impulse on the ball (take positive as down in the figure)?
(b) What is the average force exerted by the ball on the wall (take positive as down in the figure)?
