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Physics time problem

  1. Oct 4, 2007 #1
    1. The problem statement, all variables and given/known data

    During an Apollo lunar landing mission, the command module continued to orbit the Moon at an altitude of about 104 km. How long did it take to go around the Moon once?

    2. Relevant equations


    3. The attempt at a solution

    square root of 4pi^2(7.35e25+104000)/9.8=1.7e13min. this answer does not make sense though
  2. jcsd
  3. Oct 5, 2007 #2


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    Science Advisor

    Where does the 7.35e25 come from?
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