Saturday
May 25, 2013

# Homework Help: Physics

Posted by Pius Tia on Wednesday, April 25, 2012 at 2:06am.

A spinning flywheel has a rotational inertia I=400.0 kg metre squared.Its angular velocitydecreases from 20.0rad/secondsto zero in 300.0 seconds due to friction.What is the frictional torque acting?

• Physics - bobpursley, Wednesday, April 25, 2012 at 2:08am

torque= momentInertia*changeAngularVelocity/time

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