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Exercise on Kinetics using derivatives.

  1. Sep 11, 2011 #1
    1. The problem statement, all variables and given/known data
    The acceleration of a body is defined as a=-K*u^2 , K is const. When t=o sec V=Vo.
    Find : a) V(t) b) X(t) c) V(x) .

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Sep 11, 2011 #2


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    Hi timpap and welcome to PF. Please follow the rules of this forum and use the template when you seek help with homework. Show us the relevant equations and tell us what you tried and what you think about the problem. We just don't give answers away.
  4. Sep 11, 2011 #3
    ok! I actually solved the exercise.
    Here it goes!

    a=du/dt => a/du=1/dt => du/a=dt => using integrals S 1/a du = S dt . You solve the integral and its over. Pretty easy but i got stuck with it :P
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