Two satellites $A$ and $B$,with a mass ratio of $3:1$,are in circular orbits of radii $r$ and $4r$ respectively. The ratio of the total mechanical energy of $A$ to $B$ is:

  • A
    $1:3$
  • B
    $3:1$
  • C
    $3:4$
  • D
    $12:1$

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