How Does a Mass Move on a Frictional Incline After a Spring Release?

[Kavinson22]

Homework Statement

A spring with a spring constant 3.2N/cm is compressed 33cm and released. The 3kg mass skids down the frictionless incline of height 24cm and inclined at a 23 degree angle. The acceleration of gravity is 9.8m/s^2. The path is frictionless except for a distance of .8m along the incline which has a coefficient of friction of .5.

Homework Equations

Wnc=Efinal - Einitial
mvf^2/2- kx^2/2+mgh

Wnc=-f*d
µmgcos23*d

The Attempt at a Solution

I have attempted to solve it twice so far and have gotten the answers wrong. I may have my equations that I am using wrong. I am also having trouble figuring out x and h.

Any help would be great!

 

[ehild]

You did not say how are the spring and mass related.

ehild