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Cavendish Experiment

  1. Sep 28, 2011 #1
    "Describe the objective, apparatus, and results of the cavendish expirment?"
    Question2: Prove (using algebra) that it is impossible to go around (orbit around) earth in less than 80 min..

    I honestly have never heard of this... can some one explain it to me? or give me some links about it?
  2. jcsd
  3. Sep 29, 2011 #2
    re Cavendish expt just search on the web.
    re 2nd part:
    Do you know how to use F = ma for an object going in circular orbit about the Earth?
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