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Block A has a weight of 10 lb and block B has a weight of 20 lb. Determine the speed of block A after it moves down a distance of 2 ft, starting from rest. The coefficient of kinetic friction between block B and the plane is μk = 0.2. Use the principle of work and energy to solve the problem. Neglect the mass of the cord and pulley. (45 pts.)

Block A has a weight of 10 lb and block B has a weight of 20 lb. Determine the speed of block A after it moves down a distance of 2 ft, starting from rest. The coefficient of kinetic friction between block B and the plane is μk = 0.2. Use the principle of work and energy to solve the problem. Neglect the mass of the cord and pulley. (45 pts.)

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Block A has a weight of 10 l b and block B has a weight of 20 l b . Determine the speed of block A after it moves down a distance of 2 f t , starting from rest. The coefficient of kinetic friction between block B and the plane is μ k = 0.2 . Use the principle of work and energy to solve the problem. Neglect the mass of the cord and pulley. (45 pts.)

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