If the orbital velocity of a planet is given by $v = G^a M^b R^c$,then:

  • A
    $a = 1/3, b = 1/3, c = -1/3$
  • B
    $a = 1/2, b = 1/2, c = -1/2$
  • C
    $a = 1/2, b = -1/2, c = 1/2$
  • D
    $a = 1/2, b = -1/2, c = -1/2$

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