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August 2, 2015

Homework Help: Physics

Posted by Sandra on Sunday, April 4, 2010 at 7:21am.

In the absence of external torques, the angular momentum of a system is conserved.

An artificial satellite orbiting the Earth quadruples its kinetic energy.

Assuming no external torques act on the system, the radius of the orbit will ...

a. Decrease by a factor of 4
b. Decrease by a factor of 2
c. Remain the same
d. Increase by a factor of 2
e. Increase by a factor of 4

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