m1 m2
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A: Given: Mass=40 kg,F=200 N, μs=0.5 and μk=0.4
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In Fig. , m1 = 20.0 kg and a = 53.1 . The coefficient
of kinetic friction between the block of mass m1 and the incline
is mk = 0.40. What must be the mass m2 of the hanging block if it is to
descend 12.0 m in the first 3.00 s after the system is released from rest?
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