How do I solve for v0 from two equations with v and h?

[coltsamuel96]

Homework Statement

Homework Equations

how do u solve for v0 from these two equations 1.)A0*v0=Av and 2.)v^2=v0^2+2gh...

The Attempt at a Solution

the sol is v0=[2gh*A^2/(A0^2-A^2)]^1/2... but i don´t know to get it... please help

 

[gneill]

It should be straightforward algebra. Eliminate v from one of your equations using a substitution from the other...

 

[coltsamuel96]

got it now... thank you