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Plese i need help in this exam,its a challenge.

  1. Feb 12, 2009 #1
    1. The problem statement, all variables and given/known data

    i need help in solving this,coz i have an exam tomorrow,please help me,i search everywhere and i didnt know how to do it

    2. Relevant equations
    find the curvature of the fowloing curve
    r(t)= t i +t^3/2 j , t>0


    3. The attempt at a solution
     
  2. jcsd
  3. Feb 12, 2009 #2

    CompuChip

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    Science Advisor
    Homework Helper

    Welcome to PF shishi.
    I assume that you have learned how to calculate the curvature of a curve. If you are given a parametrization r(t), then what is the formula for the curvature?
     
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