Problem C6:
A block starts from rest and slides down an incline plane without friction.
the incline makes an angle of 30 degrees with the horizontal. After sliding
a distance of n1 down the plane it reaches the bottom and slides
on a level surface with friction a distance of n2 before coming to rest. The
coefficient of kinetic friction between the block and the level surface is
&mu = 1/n3. What is n3? Note that the distances
n1 and n2 have the same units.
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