Aprofessor's office door is 0.99 m wide, 2.2 m high, 4.2 cm thick; has a mass of 27 kg, 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 5.6 n*m. what is the moment of inertia of the door? if you let go of the open door, what is its angular acceleration immediately afterward?
Answers: 1
height of the door, 
thickness of the door, 
mass of the door, 
torque on the door, 
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Aprofessor's office door is 0.99 m wide, 2.2 m high, 4.2 cm thick; has a mass of 27 kg, and pivots...
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