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5. Two blocks, A and B (with mass 65.0 kg and 130.0 kg, respectively), are connected by a string, as shown in the figure. The

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5. Two blocks, A and B (with mass 65.0 kg and 130.0 kg, respectively), are connected by a string, as shown in the figure. The pulley is frictionless and of negligible mass. The coefficient D B of kinetic friction between block A and the incline is /k = 0.248. Determine the change in the kinetic energy of block A as it moves A from circle c to circle d, a distance of 18.7 m up the incline if the C system starts from rest. Please show detailed calculation (20 pts) 370

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