A 4.5-kg brick is suspended by a light string from a 2.0-kg, Ask an Expert

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A 4.5-kg brick is suspended by a light string from a 2.0-kg pulley. The brick is released from rest and falls to the floor below. The pulley may be considered a solid disk of radius 1.5 m. What is the linear acceleration of the brick and the tension in the string?

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