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The orbital velocity of an artifical sat...

The orbital velocity of an artifical satellite in a circular orbit just above the earth's surface is `V_(0)`. For a satellite orbiting at an altitude of half of earth's radius, the orbital velocity is

A

`(3/2)v_(0)`

B

`sqrt(3/2)v_(0)`

C

`sqrt(2/3)v_(0)`

D

`(2/3)v_(0)`

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The correct Answer is:
B
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