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Acceleration Due to Gravity Problem HELP

  1. Dec 11, 2007 #1
    Acceleration Due to Gravity Problem **HELP**

    1. The problem statement, all variables and given/known data
    Titania, the largest moon of the planet Uranus, has 1/8 the radius of the earth and 1/1700 the mass of the earth...

    What is the acceleration due to gravity at the surface of Titania? (m/s^2)


    2. Relevant equations
    g= GMe/Re^2

    (Me) mass of planet
    (Re) radius of planet


    3. The attempt at a solution

    well, i thought this was the right way of doing the problem, but i get a totally wrong answer and i am totally confussed on if this is the right equation for this problem or not.
     
    Last edited: Dec 11, 2007
  2. jcsd
  3. Dec 11, 2007 #2

    robphy

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    You left this part out.
     
  4. Dec 11, 2007 #3
    ok i fixed it
     
  5. Dec 11, 2007 #4

    robphy

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    please show what you tried [even if it is wrong]
     
  6. Dec 11, 2007 #5
    This is definitely the right equation.
     
    Last edited: Dec 12, 2007
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