The girl throws the ball with a horizontal velocity of v1 = 8 ft/s. If the coefficient of...

The girl throws the ball with a horizontal velocity of v1 = 8 ft/s. If the coefficient of restitution between the ball and the ground is e = 0.8, determine (a) the velocity of the ball just after it rebounds from the ground and (b) the maximum height to which the ball rises after the first bounce.