13. Rotational Inertia & Energy
Conservation of Energy with Rotation
Multiple Choice
Multiple ChoiceHow much work is needed to stop a hollow sphere of mass 2 kg and radius 3 m that spins at 40 rad/s around an axis through its center?
A
+9600 J
B
−9600 J
C
+5760 J
D
−5760 J
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