What is the moment of inertia on the door

Reference no: EM13327814

A professor's office door is 0.98m wide, 2.2mhigh, 4.0cm thick; has a mass of 29kg , and pivots on frictionless hinges. A "door closer" is attached to door and the top of the door frame. When the door is open and at rest, the door closer exerts a torque of 5.4N?m .

What is the moment of Inertia on the door?

If you let the door go, what is the angular acceleration immediately afterwards?

Reference no: EM13327814

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