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A Uniform Sphere of Radius R Rotates About a Diameter

Question 51

Multiple Choice

A uniform sphere of radius R rotates about a diameter with angular momentum of magnitude L.Under the action of internal forces the sphere collapses to a uniform sphere of radius R/2.The magnitude of its new angular momentum is:


A) L/4
B) L/2
C) L
D) 2L
E) 4L

Correct Answer:

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