If an object were to suddenly shrink and decrease its moment of inertia by a factor of 3,what is the difference in energy between the final and initial rotational kinetic energies?
A) 3 times initial Krot
B) 9 times initial Krot
C) 8 times initial Krot
D) 2 times initial Krot
E) zero,Krot remains the same
Correct Answer:
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