If a satellite is orbiting close to the surface of the earth, then its

1.	If a satellite is orbiting close to the surface of the earth, then its speed is
A.	\[\sqrt{2}Rg\]
B.	\[Rg\]
C.	\[\sqrt{\frac{Rg}{2}}\]
D.	\[\sqrt{Rg}\]
Answer» E.

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If a satellite is orbiting close to the surface of the earth, then its speed is

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