Conservation of mechanical energy formula. What is x ?

[Femme_physics]

Conservation of mechanical energy formula. What is "x"?

In this conversation of mechanical energy formula. What is x?

http://img845.imageshack.us/img845/616/mgh.jpg

 

[Redbelly98]

x is the amount by which a spring is either stretched or compressed, and k is the spring constant of the spring.

 

[Femme_physics]

Ah, now I can go back finishing that damn exercise I was working on. When you're handed formulas without proper description of them, it's not very conducive. Thanks mentor! :)

 

[Redbelly98]

You're welcome, contributor I:#$-)