Coefficient of Kinetic Friction

[The Tutor]

Homework Statement

A child goes down a playground slide with an acceleration of 1.32 {m/s^2}. Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 35.0 deg below the horizontal.

Homework Equations

Fnet=ma
Fg=mg
Ff=uFn
I apologize, I do not know how to do the sign, or spell it, but u=coefficient of kinetic friction

The Attempt at a Solution

I have no idea how to even start this problem... the only thing I did (and I'm positive it's completely wrong) is:
Fnet=ma
m=Fnet/a

Fg=mg
Fg=m(9.81)
Fg=(Fnet/a)(9.81)

Giving detailed steps would be appreciated, I'm really bad at forces.

 

[ashishsinghal]

Fg=(Fnet/a)(9.81)

From where did you get this?
First draw the free body diagram. Then resolve mg into two components - along the incline and normal to the incline. That will help.