In a serve, a tennis player hits the ball horizontally. Neglect the effects of air resistance and the diameter of the ball.
a) What is the minimum speed required for the ball to clear the 90.0 cm-high net 15.0 m from the server if the ball is "launched" from a height of 2.50 m?
b) Where will the ball land if it just clears the net? in Homework Help