# physics

A block accelerates at 3.3 m/s2 down a plane
inclined at an angle 27.0�.
m
μk
3.3 m/s2
27�
Find μk between the block and the in-
clined plane. The acceleration of gravity is
9.81 m/s2 .

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1. gravity force down the plane=mg*sinTheta
friction force up the plane=mu*mg*cosTheta

net force=mass*a
mg(sinTheta-mu*CosTheta)=m*3.3

solve for mu

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