13-20.The coefficient of kinetic friction for mass B in Figure P13-20 is 0.25. Determine the acceleration of

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13-20.The coefficient of kinetic friction for mass B in Figure P13-20 is 0.25. Determine the acceleration of mass A if it has a mass of (a) 30 kg and (b) 50 kg. 100 kg B A 3 4 u =.25 FIGURE P13-20 13

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13-20.The coefficient of kinetic friction for mass B in Figure P13-20 is 0.25. Determine the acceleration of

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