The value of escape velocity on a certain planet is 2 km/s. Then the v – McqOptions

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1.	The value of escape velocity on a certain planet is 2 km/s. Then the value of orbital speed for a satellite orbiting close to its surface is [DCE 2005]
A.	12 km/s
B.	1 km/s
C.	\[\sqrt{2}\]km/s
D.	\[2\sqrt{2}\,\,km/s\]
Answer» D. \[2\sqrt{2}\,\,km/s\]

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