Question

A small satellite is revolving near earth's surface. Its orbital velocity will be nearly –

• A. 8 km/s
• B. 11.2 km/s
• C. 4 km/s
• D. 6 km/s

Answer 1

Answer: (A)

8 km/s

Answer 2

These satellite have v₀ = $\sqrt { \frac { \mathrm { GM } } { \mathrm { R } } }$ = = 8 km/s.