Problem B7: A block of weight W can slide on a horizontal surface as shown in the figure above. A force of W/n1 is applied to the right, which causes the block to accelerate with an acceleration equal to g/n2. g is the acceleration due to gravity. If the coefficient of kinetic friction is &mu = 1/n3, then what is n3?

n1 = n2 = Input n3:
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