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Homework Help: Difficult gravitational potential problem

  1. Oct 30, 2005 #1
    I dont even know where to start:
    Assume the earth's oribt about the sun is circular. Calculate the work required to launch a 1kg probe into the earth's orbit around the sun, but on the opposite side of the orbit.
     
  2. jcsd
  3. Oct 30, 2005 #2

    Astronuc

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    Is the satellite launched from earth's surface? Then there would be work getting it to orbit - and then to escape velocity.

    I suppose the rest would be how much thrust (and over what distance) is used getting the satellite into opposition from the earth.
     
  4. Oct 30, 2005 #3
    That approach does not include the gravitational influence of the sun, or am I completely missing the point?
     
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