6. A frictionless pulley has a mass of 0.7 kg and a radius of 0.25 m. A rope is going over the pulley. The tension in the rope on one side of the
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6. A frictionless pulley has a mass of 0.7 kg and a radius of 0.25 m. A rope is going over the pulley. The
tension in the rope on one side of the pulley is 15 N. The tension on the other side is 10 N.
A. Sketch the situation, label variables, and collect known quantities.
B. What is the net torque on the pulley?
C. What is the moment of inertia of the pulley?
D. What is the angular acceleration of the pulley?
E. If the pulley started at rest, how long will it take the pulley to rotate an angle of 21:3?

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