A satellite orbits the earth at a height of R/5. What is its orbital – McqOptions

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1.	A satellite orbits the earth at a height of R/5. What is its orbital speed?
A.	[(2GM)/(R)]1/2
B.	[(G*M)/(R)]1/2
C.	[(GM)/(7R)]1/2
D.	[(5GM)/(6*R)]1/2
Answer» E.

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