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

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Definitions:

Sperm Cell

The male reproductive cell, which can fertilize an egg cell to initiate the development of a new organism.

Genetic Material

Molecules within living cells that carry genetic information, primarily DNA or RNA, which guide the development, functioning, and reproduction of organisms.

Monozygotic (MZ) Twins

Twins that derive from a single zygote that has split into two; identical twins. Each MZ twin carries the same genetic code.

Dizygotic (DZ) Twins

Twins that derive from two zygotes; fraternal twins.