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Earth's acceleration due to gravity

  1. Feb 20, 2013 #1
    1. The problem statement, all variables and given/known data
    What is the acceleration due to gravity at a distance of 2 Earth radii above Earth's surface?


    2. Relevant equations
    I'm lost with this question, can someone help. THanks


    3. The attempt at a solution
     
  2. jcsd
  3. Feb 20, 2013 #2

    SteamKing

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    Ever heard of this Newton fellow? He had some kind of formula for this a while back.
     
  4. Feb 20, 2013 #3
    This has to be one of the most straightforward questions ever asked around here.
     
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