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**1. Homework Statement**

A metal plate in the shape shown has a mass of 2.00kg and hangs from a pivot point located a distance d=0.300m from its center of mass. Its moment of inertia, I_cm, about an axis perpendicular to the plate and passing through the CM is 0.210kg*m2. Calculate the magnitude of the angular acceleration of the plate when theta=0.210 rad.

**2. Homework Equations**

**3. The Attempt at a Solution**

I'm really not sure where to start. Does anyone have some insight or a guiding principle?