Physics
General
Easy

Question

Energy required to move a body of mass m from an orbit of radius 2R to  3R is

  1. fraction numerator G M m over denominator 12 R squared end fraction
  2. fraction numerator G M m over denominator 3 R squared end fraction
  3. fraction numerator G M m over denominator 8 R end fraction
  4. fraction numerator G M m over denominator 6 R end fraction

The correct answer is: fraction numerator G M m over denominator 6 R end fraction

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