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Orbiting Objects

  1. Dec 1, 2008 #1
    Hi,
    I have a question about orbiting objects. Maybe somebody could help me a little bit, because I don't know if I need to find other information to solve the problem and I'm not sure what equation I could use.

    If the average orbital radius is 2,5*1025 km, how long will it take to orbit the sun?

    Thanks a lot
    jawo3
     
  2. jcsd
  3. Dec 1, 2008 #2
    Hmm... I think the only other piece of information you need is the radius of Earth's orbit... then you can apply Kepler's Law. I believe most standard physics texts would provide this value.
     
  4. Dec 2, 2008 #3
    Can I just plug it in the equation:

    T²=R³

    ???
     
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