spring with inclined plane

djdato

1. The problem statement, all variables and given/known data
30g object slides on slope of 20 degrees, with kinetic coefficient of .20. Object is launched up from a spring at bottom of slope, which was compressed by 10 cm. Spring constant = 25 N/m. Find the total distance object travels up slope before reversing direction.


2. Relevant equations
i don't know where to start with this. I tried equations of energy according to conservation of energy.


3. The attempt at a solution
initial: .5kx^2
final: mgh
therefore mgh=.5kx^2
Then i rearranged for height.
h=(kx^2/2mg)

however, i think this is the wrong thing to do. I havn't even used the friction coefficient.
Please help me get on the right track with this problem.

Thanks in advance.

TMFKAN64

The friction force does work on your object as it travels! How much work does it do, and how should you add this work into your energy equation?