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Consider the system shown in Fig. Block A weighs45.0 N and block B weighs 25.0 N. Once block B is setinto downward motion, it descends at a constant speed (a)Calculate the coefficient of kinetic friction between block Aand the tabletop. (b) A cat, also of weight 45.0 N, fallsasleep on top of block A. If block B is now set intodownward motion, what is its acceleration (magnitude anddirection)?


Consider the system shown in Fig. Block A weighs45.0 N and block B weighs 25.0 N. Once block B is setinto downward motion, it descends at a constant speed (a)Calculate the coefficient of kinetic friction between block Aand the tabletop. (b) A cat, also of weight 45.0 N, fallsasleep on top of block A. If block B is now set intodownward motion, what is its acceleration (magnitude anddirection)?


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