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How much Energy must be expended to rise to this height

  1. Jan 6, 2017 #1
    A Spacecraft of mass 530 kg rests on the surface of an asteroid of radius 1600 m and mass 2.1 x 10^12 kg. How much energy must be expended so that the spacecraft may rise to a height of 3600 m above the surface of the asteroid?
     
  2. jcsd
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