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A solid sphere of radius = 8 cm and mass = 5 kg is sitting on a level table and is attached with a string over a pulley (radius = 2 cm and mass = .8 kg) to a hanging mass (m = 3 kg) which is 4 meters above the ground.
a) Calculate the Total work done on the sphere, pulley, block Wsphere, Wpulley, Wblock
b) Calculate the final angular and linear speeds of the sphere, w(angular speed)fsphere, vfsphere
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q1. the pulley system is used to lift a 61 kg crate. note that one chain connects the upper pulley to the ceiling and a
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