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Escape velocity

  1. Nov 8, 2009 #1
    1. The problem statement, all variables and given/known data calculate the escape velocity of a 10,500kg spaceship from earth. mass of earth is 5.98*10kg and radius of the earth is 6.38*10kg.

    elevant equations
    2GM/R

    3. The attempt at a solution Using the formula i found escape velocity to be 3.464*10m/s. Is this correct?
     
  2. jcsd
  3. Nov 8, 2009 #2

    Delphi51

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    Homework Helper

    If it was correct, you would have to be careful driving your car up hills - you could easily go fast enough to escape from the Earth!
    That equation has no equal sign so it isn't clear what it is. Can you write it completely and then show the numbers you substituted in? Probably just a small error or two.
     
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