A 2.1-kg 12-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 18 N.
(a) Find the magnitude of the torque exerted by the rope.
N · m
(b) Find the angular acceleration of the cylinder.
rad/s2
(c) Find the angular velocity of the cylinder at t = 0.30 s.
rad/s
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