Ok so I tried that, and I think I have an error somewhere because it doesn't work. Here is what I did:
t = 9/(Vsin49)
2.43 = 1.61 + Vcos49t - 0.5*9.8t^2
0.82 = Vcos49 * 9/Vsin49 - 4.9 * (9/Vsin49)^2
V = 7.9 m/s
I can't seem to find what I did wrong though..
Homework Statement
A regulation volleyball court is L = 18.0 m long and the net is d = 2.43 m high. A volleyball player strikes the ball a height h = 1.61 m directly above the back line, and the ball's initial velocity makes an angle θ = 49° with respect to the ground. At what initial speed...