Here are the equations i got out of that FBD :
∑Fx=N−Fcos(60)=0
∑Fy=fk+Fsin(60)=ma
I know that fk=μ(Fcos(60))
find acceleration and then plug it in the kinematics equationv^2f=v^2i+2∗a∗d
where inital velocity is 0
Net force along y-axis is Fsin60−fk−mg=ma
