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**Help with a problem!!**

This problem seems pretty easy but for the life of me I cannot get it, I think it's confusing me because I don't have a intial velocity or a time...help!

A golfer hurls his golf club across the green. Launched at a angle 30 degrees above the horizontal, the club lands 50 m away, what was the launch speed of the 4 kg club?

I've tried this problem over and over and I can't get it, as far as I can tell the mass is useless right?

The way I tried it before was by using one of the kinematic equations, I now know that this problem has to be split into it's x and y components, from there...I need help.