Question

11. What is the orbital velocity of an artificial satellite revolving round the Earth at a height 100 km?
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Answer 1

Explanation:

Orbital Velocity=

$\sqrt{ \frac{gm}{r} }$

g is the gravitational constant

Thus orbital Velocity=

$\sqrt{ \frac{6.67 \times {10}^{ - 11} \times6 \times {10}^{24} }{100000} }$

You can calculate it yourself