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KVPY2015PhysicsGravitation

An object is propelled vertically to a maximum height of 4 R from the surface of a planet of radius R and mass M . The speed of object when it returns to the surface of the planet is

Options

  1. A2 2 G M 5 R
  2. BG M 2 R
  3. C3 G M 2 R
  4. DG M 5 R

Correct answer

A. 2 2 G M 5 R

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