A pulley with a radius of 100 cm is mounted on an axle that, Ask an Expert

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A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. The axle allows the pulley to rotate with negligible friction. The pulley is initially at rest. At t = 0, you start pulling on the end of a string that is wrapped around the outside of the pulley, giving the pulley a constant angular acceleration of 2.90 rad/s2. After t = 3.00 s of you pulling on the string, calculate the instantaneous angular speed of the pulley (rad/s).

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