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Help with Error in gravity due to uncertainty in r.

  1. Sep 30, 2014 #1
    1. The problem statement, all variables and given/known data

    Derive an algebraic expression for the error in gravity due to the uncertainty in r. Use limit error formulas and show all steps. Assume that errors in G and M are negligible.
    2. Relevant equations
    g=GM/r^2

    3. The attempt at a solution

    i use the error formula but not sure about what the input for what...
     
  2. jcsd
  3. Sep 30, 2014 #2

    Orodruin

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    Show us what you did. It is the absolutely easiest way for us to identify where you are going wrong or where your misconception lies.
     
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