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September 3, 2014

Homework Help: physics 209

Posted by mike on Monday, November 19, 2012 at 2:42pm.

A mass m = 0.5 kg is hung from a pulley with moment of inertia I = 0.20kg⋅m2 and radius R = 10cm. There is friction in the pulley. The mass is dropped from rest, and after 2s it traveled 0.4m. What is the torque due to friction?

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