Orbital velocity of earth's satellite near the surface is 7 km/s. When – McqOptions

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1.	Orbital velocity of earth's satellite near the surface is 7 km/s. When the radius of the orbit is 4 times than that of earth's radius, then orbital velocity in that orbit is [EAMCET (Engg.) 1995]
A.	3.5 km/s
B.	7 km/s
C.	72 km/s
D.	14 km/s
Answer» B. 7 km/s

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