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A solid disc of mass 18.9 kg and radius 2.75 m rotates horizontally around an axis through its centre. A constant force of 53.5 N

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A solid disc of mass 18.9 kg and radius 2.75 m rotates horizontally around an axis through its centre. A constant force of 53.5 N is applied tangentially to the edge of the disc. What is the angular acceleration of the disc? [Provide your answer in rad/s2, to 3 significant digits. However, do not include units with your answer.]

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