How do I get a formula that finds the initial velocity with height in it?

[ken62310]

How do I get a formula that finds the initial velocity with height in it??

How do I get a formula that finds the initial velocity with height in it??
i was doing a inclined plane problem with is deal with 2 steel balls' collision~
could somebody help me to derivate that formula?

 

[Bill Foster]

a(x-x_0)=\frac{1}{2}(v^2-v_0^2)

Solve for v_0

 

[aq1q]

ya and what is the angle of the inclined place..

 

[vjraghavan]

I am not sure if you had supplied all given data, and of course, your attempt. :P