The 10-kg block A rests on the 50-kg plate B in the position shown. Neglecting the mass of rope and the pulley, and using the coefficients of kinetic friction µAB = 0.2 and µBC = 0.05, determine the time needed for block A to slide d = 0.3 m on the plate when the system is released from rest. the %3D HAB 30

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