1. The problem statement, all variables and given/known data 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. 2. Relevant equations Wnc=Efinal - Einitial mvf^2/2- kx^2/2+mgh Wnc=-f*d µmgcos23*d 3. 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!