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PhysicsNEET 2021Kepler's laws, satellites, escape velocity

Gravitation

The escape velocity from the Earth's surface is vv. The escape velocity from the surface of another planet having a radius four times that of Earth and the same mass density is:

  1. A.vv
  2. B.2v2v
  3. C.3v3v
  4. D.4v4v✓

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