Two blocks, A and B (with mass 50 kg and 100 kg,
Chapter 5, Problem 5.64(choose chapter or problem)
Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in Figure P5.64. The pulley is frictionless and of negligible mass. The coefcient of kinetic friction between block A and the incline is k 0.25. Determine the change in the kinetic energy of block A as it moves from to , a distance of 20 m up the incline if the system starts from rest.
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