SatellitesEasyQuestion 6269
Question
Orbital speed of satellite near Earth's surface (g=10 m/s², R=6.4×10⁶ m):
- A7.9 km/sCorrect
- B11.2 km/s
- C9.8 km/s
- D3 km/s
Correct answer
7.9 km/s
Explanation
v₀ = √(gR) = √(10×6.4×10⁶) ≈ 8 km/s ≈ 7.9 km/s.
Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.
v₀ = √(gR) = √(10×6.4×10⁶) ≈ 8 km/s ≈ 7.9 km/s.