NEET Physics · Easy

Gravitation: Satellites MCQ

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SatellitesEasyQuestion 6269

Question

Orbital speed of satellite near Earth's surface (g=10 m/s², R=6.4×10⁶ m):
  1. A
    7.9 km/s
    Correct
  2. B
    11.2 km/s
  3. C
    9.8 km/s
  4. D
    3 km/s

Correct answer

7.9 km/s

Explanation

v₀ = √(gR) = √(10×6.4×10⁶) ≈ 8 km/s ≈ 7.9 km/s.