Homework Help: physics

Posted by Jared on Tuesday, November 27, 2012 at 6:55pm.

A uniform disk of radius 0.48 m is mounted
on a frictionless, horizontal axis. A light cord wrapped around the disk supports a 1.4 kg object, as shown. When released from rest the object falls with a downward acceleration of 3.6 m/s^2.
What is the moment of inertia of the disk?

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