What is the rotational inertia of a solid iron disk of mass 41.0 kg with a thickness of 5.00 cm and radius of 30.0 cm, about an axis perpendicular to the disk and passing through its center?
A) 0.980 kg m2
B) 0.761 kg m2
C) 1.85 kg m2
D) 2.29 kg m2
Correct Answer:
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