Homework Help: Formula deduction V2 = V02 + 2g(y - y0)

1. Sep 26, 2011

iZnoGouD

I need to make the deduction of this formula V2 = V02 +- 2g(y - y0)
Could you guys help me? this is so hard for me

2. Sep 26, 2011

Ignea_unda

Welcome to PF, iZnoGouD!

Could you clarify what you mean by "making the deduction"? I'm not clear what you're being asked to do.

And, to clarify for myself, the equation is:
$V^2 = V_{0}^2\pm 2g(y-y_0)$

Correct?

And finally, where are you getting stuck? Can you show us your work so far?