For women's volleyballthe top of the net is 2.24m above the floor and the court measures9.0m on each side of the net. Using a jump serve, a player strikesthe ball at a point that is 3m above the floor and a horizontal
a) what minimum maginitude must it have if the ball is to clear thenet and
b) what maximummagnitude can it have if the ball is to strike the floor inside theback line on the other side of the net?