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PhysicsJEE Main 22 Jan 2026, Shift 1·Q5·MCQ·Easy–moderate

Gravitation · Potential energy, potential, escape, satellites

The escape velocity from a spherical planet A is 10 km/s. The escape velocity from another planet B whose density and radius are 10% of those of planet A, is m/s.
  1. (1)1000
  2. (2)2005200\sqrt5
  3. (3)10010100\sqrt{10}
  4. (4)100021000\sqrt2

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