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An artificial satellite is moving in a c...

An artificial satellite is moving in a circular orbit around the earth, with a speed which is equal to half the magnitude of the escape velocity from the earth. What is the height of the satellite above the- surface of earth

A

a)6311 sec

B

b)6311 min

C

c)6311 hour

D

d)6311 day

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The correct Answer is:
A
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