$($a$)$ Find the velocities u and v$.(8$marks$)($b$)$ How long does it take the volleyball to travel to the net? $(4$marks$)($c$)$ Determine the horizontal distance s traveled by the volleyball before reaching the net. $(3$marks$)($d$)$ Calculate the impulse $($change in momentum$)$ imparted to the volleyball by the player. $(4$marks$)$