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Q.
In previous question calculate orbital speed of satellite.
Gravitation
Solution:
Orbital speed is
$V_{0} =\sqrt{\frac{G M}{(R+h)}}=\sqrt{\frac{g R^{2}}{(R+h)}} $
$=\frac{9.8 \times\left(6400 \times 10^{3}\right)^{2}}{10^{7}} m / s $
$=6335\, m / s $
$=6.335 \,km / s$