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In the figure below, a rope is wound around a horizontal disk (Ma 3.10 kg and Ra 17.0 cm). passed across a pulley (Ic 50.0 kg cm2 and Re 8.00 cm), and connected to a hanging 4.00 kg mass. Initially, the mass is held in place, and the system is at rest. The mass is then released and descends in response to the force of gravity. The rope does not slip on the pulley or the horizontal disk. Both the pulley and the disk rotate on bearings that are effectively frictionless. disk pulley (a) Find the angular speed of the pulley after the mass has descended 1.10 m Number Units (b) Using energy considerations, calculate the acceleration of the mass without writing the equations of motion. Number Units

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T. 6 2 2. 3-o 6-19 46.4-

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