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# 9 kg mass and a 7.3 kg mass are connected by a massless string over a pulley that is in the shape of a bicycle wheel (all mass is concentrated at the...

A 1.9 kg mass and a 7.3 kg mass are connected by a massless string over a pulley that is in the shape of a bicycle wheel (all mass is concentrated at the rim) having a radius 0.2 m and mass 5.1 kg. Determine the time (in seconds) for the masses to move 4.9 m starting from rest.