The orbital velocity of an artificial satellite in a circular orbit just above the earths surfac...

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The orbital velocity of an artificial satellite in a circular orbit just above the earths surface is \( v_{0} \). The orbital velocity of satellite orbiting at an altitude of half of the radius is :-
(1) \( \frac{3}{2} v_{0} \)
(2) \( \frac{2}{3} v_{0} \)
(3) \( \sqrt{\frac{2}{3}} v_{0} \)
(4) \( \sqrt{\frac{3}{2}} \mathrm{v}_{0} \)
\( \mathrm{P} \)
W.
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