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NEETPhysicsGravitation

What is the maximum distance from the Earth's surface that a rocket, fired vertically with a speed of 5 km/s, can reach before returning to Earth?(Mass of the earth = 6.0 × 1024 kg; mean radius of the earth = 6.4 × 106 m; G = 6.67 × 10–11 N m2 kg–2)

Options

  1. A5.0 × 10^3 m
  2. B2.5 × 10^6 m
  3. C8.0 × 10^6 m
  4. D7.5 × 10^6 m

Correct answer

C. 8.0 × 10^6 m

Step-by-step solution

Correct Option is : (C) 8.0 × 10^6 m

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