14) An asteroid is accreting mass from the surrounding space that is "stationary". It can be shown that the moment of inertia is: | = 8/15 np R$ where p is the density both of the asteroid and the material being accreted. After a while the radius doubles. What happens to the rotational speed in the transition?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question 12
14) An asteroid is accreting mass from the surrounding space that is "stationary". It can be shown
that the moment of inertia is:
1- 8/15 πρ R
where p is the density both of the asteroid and the material being accreted. After a while the radius
doubles. What happens to the rotational speed in the transition?
O a) Is conserved - does not change
O b) Is doubled
O ) Falls to 3% of the original
d) Increases by 3% of the original
O e) Falls to 6% of the original
O N Goes to 1/2 as in a completely inelastic collision of same size balls
O 8) Cannot be determined from the information provided
Transcribed Image Text:Question 12 14) An asteroid is accreting mass from the surrounding space that is "stationary". It can be shown that the moment of inertia is: 1- 8/15 πρ R where p is the density both of the asteroid and the material being accreted. After a while the radius doubles. What happens to the rotational speed in the transition? O a) Is conserved - does not change O b) Is doubled O ) Falls to 3% of the original d) Increases by 3% of the original O e) Falls to 6% of the original O N Goes to 1/2 as in a completely inelastic collision of same size balls O 8) Cannot be determined from the information provided
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