A Satellite Having Orbital Speed V Orbits a Planet of Mass

question 38

Multiple Choice

A satellite having orbital speed V orbits a planet of mass M. If the planet had half as much mass, the orbital speed of the satellite at the same distance from the center would be

• A)V \(\sqrt { 2 }\) .
• B)2V.
• C)V.
• D)V/ \(\sqrt { 2 }\) .
• E)V/2.

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Definitions:

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