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Homework Help: Calculating planet speed

  1. Feb 16, 2008 #1
    The Earth moves around the sun in a nearly circular orbit of 1.50 x 10m ^ 11

    During the three summer months (an elasped time of 7.89 x 10s^6) the Earth moves 1/4 the distance around the sun.

    What is the average speed of the Earth?
  2. jcsd
  3. Feb 16, 2008 #2
    If this is a homework question it should be posted in the homework forum, i think someone will come and move it.

    Well if you use average speed = distance/time taken you will come up with the answer.
  4. Feb 17, 2008 #3

    Chi Meson

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    You will also need a slice of pi.
  5. Feb 17, 2008 #4
    mmmm!! pi!
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