Solved: (Ill) A string passing over a pulley has a 3.80-kg
Chapter , Problem 52(choose chapter or problem)
(Ill) A string passing over a pulley has a 3.80-kg masshanging from one end and a 3.15-kg mass hanging from theother end. The pulley is a uniform solid cylinder of radius4.0 cm and mass 0.80 kg. (a) If the bearings of the pulleywere frictionless, what would be the acceleration of the twomasses? (b) In fact, it is found that if the heavier mass isgiven a downward speed of 0.20 m/s, it comes to rest in 6.2 s.What is the average frictional torque acting on the pulley?
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