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September 3, 2015

Homework Help: physics

Posted by erik on Sunday, December 12, 2010 at 12:28pm.

A 4.0 kg pulley of radius 0.15 m is pivoted about an axis through its center. What constant torque is required for the pulley to reach an angular speed of 25 rad/s after rotating 6.0 revolutions, starting from rest?

What moment of inertia do I use to figure our the torque?

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