Find the angular acceleration of the disk

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A 5-kg uniform disk is attached to the 3-kg uniform rod BC by means of a frictionless pin AB. An elastic cord is wound around the edge of the disk and is attached to a ring at E. Both ring E and rod BC can rotate freely about the vertical shaft. Knowing that the system is released from rest when the tension in the elastic cord is 15 N, determine

(a) the angular acceleration of the disk,

(b) the acceleration of the center of the disk

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Reference no: EM131391695

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