Physics-
General
Easy

Question

A body is orbiting very close to the earth’s surface with kinetic energy KE. The energy required to completely escape from it is

  1. K E    
  2. 2 blank K E    
  3. fraction numerator K E over denominator 2 end fraction    
  4. fraction numerator 3 K E over denominator 2 end fraction    

hintHint:

Hence the answer is KE

The correct answer is: K E


    The energy given to the body so as to completely escape from its orbit is equal to its kinetic energy KE

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