do the sum of the forces= mass x acceleration formula. so mgsin30-friction=ma.
that means that mgsin30- mew(Normal)=ma
mgsintheta-mew(mg)=ma
the masses cancel out and the only variable youre left with is the coeffecient of friction
A box slides down a 30.0 degree ramp with an acceleration of 1.20 m/s^s Determine the coefficent of kinetic friction between the box and the ramp
How on earth do I do this with only this amount of information???
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