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Homework Help: 2nd ODE nonhomogeneous

  1. Mar 8, 2005 #1
    Can anyone give me a hand with this, cause I'm stumped and can't remember exactly how to go about solving this.

    here's the eqn

    m[d^2x/dt^2 + wsubo^2 x] = F cos wt

    I'm supposed to show that x(t) = xsubo cos wt

    w is the incident freq
    wsubo is the resonant freq
    m is mass

    I'm stuck with the part of getting out ysubp, at least that's what I think I should do.
  2. jcsd
  3. Mar 8, 2005 #2


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    Homework Helper

    Can u solve the homogenous equation...?If so,then u can use the method of Lagrange to find a particular solution of the nonhomogenous ODE.

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