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Normal/Tangential coord

  1. Oct 10, 2006 #1
    Using normal and tangential coord the the tangential acceleration of any point on earth is 0, correct?
  2. jcsd
  3. Oct 10, 2006 #2
    Normal and tengential, coord? I don't quite know what you mean by that, but you are right that since the earth spins with a constant velocity, there will be no tangential acceleration.
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