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Find centripetal acceleration

  1. Mar 26, 2016 #1
    1. The problem statement, all variables and given/known data
    the centripetal acceleration of an object at Earth's equator results from the daily rotation of Earth. Calculate the object's centripetal acceleration, given that the radius of Earth at the equator is 6.38*10^6m.

    2. Relevant equations
    a=v^2/r

    3. The attempt at a solution
    I really have no idea how to solve this question, how can I calculate the centripetal acceleration with only the radius?
     
  2. jcsd
  3. Mar 27, 2016 #2
    Take note that a stationary object has traveled a distance equal to Earth's radius in 24 hours (assuming Earth is a perfect sphere).
     
    Last edited: Mar 27, 2016
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