Question: (a) Suppose the coefficient of kinetic friction between m1 and the plane in Fig. 4-57 is k = 0.15 and that m1 = m2 =

(a) Suppose the coefficient of kinetic friction between m1 and the plane in Fig. 4-57 is μk = 0.15 and that m1 = m2 = 2.7 kg. As m2 moves down, determine the magnitude of the acceleration of m1 and m2, given θ 25o.
(b) What smallest value of μk will keep this system from accelerating?

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