the tennis ball is served from the back line of the court such that it leaves the racket 2.4 m above the ground in a horizontal direction at a speed of 22.3 m/s (a) will the ball cross a 0.91 m high net 11.9, in front of the server? (B) will the ball land in the service court, which is within 6.4 m of the net on the other side of the net?