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Homework Help: Differential equation of motion

  1. Dec 9, 2013 #1
    1. The problem statement, all variables and given/known data

    Find the maximal ground reaction force for the limiting case where the speed at initial contact is equal 0 (Vo=0) expressing it as a mulitple of the body weight (mg)
    ω = √k/m

    2. Relevant equations

    Y1(t) = A sinωt + B cos ωt + g/ω^2

    3. The attempt at a solution

    I know A and B are constants based on the initial conditions but as y=0 and Vo= 0 and there is no x componant - what other initial conditions can I use?
  2. jcsd
  3. Dec 9, 2013 #2


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    Science Advisor
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    Gold Member

    Please quote the whole question.
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