# What is the velocity?

1. Mar 13, 2010

### haengbon

1. The problem statement, all variables and given/known data

A man jumps on a trampoline with an angle of 53$$\circ$$ with respect to the horizontal. What velocity does he need in order to be caught by the other man who is 5.2 m away from him, and 6.1 m above the ground?

2. Relevant equations

so I guess...

X= 5.2 m
Y= -6.1 m

am I correct?

3. The attempt at a solution

So far, the only thing I've actually understood is..

Vix = Vxcos30$$\circ$$
Viy = Vysin30$$\circ$$

Can someone please guide me through this?

2. Mar 14, 2010

### ehild

What do you know about projectile motion ? Why do you use 30° angle? What is Vx, Vy?

ehild