Torque and angular acceleration

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1. 1 2017 System of Particles and Rotational Motion #
   A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N?
   A 25 m/$s^2$ B 0.25 rad/$s^2$ C 25 rad/$s^2$ D 5 m/$s^2$
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