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2. Block A has a mass of 4.20 kg and block B has a mass of 2.30 kg. The coefficient of kinetic friction between B

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2. Block A has a mass of 4.20 kg and block B has a mass of 2.30 kg. The coefficient of kinetic friction between B and the horizontal plane is 0.470. The inclined plane is frictionless. Find (a) the acceleration of the blocks and (b) the tension in the string passing over the massless, frictionless pulley shown in the figure. Lik = 0.470 B A 270

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