A Solid Sphere of Radius R Rotates About a Diameter $\omega$

question 5

Multiple Choice

A solid sphere of radius R rotates about a diameter with an angular speed $\omega$ . The sphere then collapses under the action of internal forces to a final radius R/2. What is the final angular speed of the sphere?

• A)\(\omega\)/4
• B)\(\omega\)/2
• C)\(\omega\)
• D)2\(\omega\)
• E)4\(\omega\)

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Definitions:

Experiment

A process conducted to explore a new idea, examine a theory, or prove an established truth.

Stages

Various phases or steps in a process or procedure.

Permutations

The arrangement of all or part of a set of objects, with regard to the order of the arrangement. For example, all possible orders in which a set of objects can be arranged.

Deserts

Arid and dry landscapes that receive extremely low amounts of precipitation, making them unlikely to support much life.