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Math Help - [SOLVED] Integral with physique

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    [SOLVED] Integral with physique

    Problem Solved



    "A plumb with mass = 1,0 kg hanging in a spring with springstiffness k = 1,5 N/m. We give the plumb a speed v = 2,0 m/s after draging it 1,0 m down from balance/equilibration-possition. The frictioncoefficient l = 0,5 kg/s."

    Newtons 2. lov gives:

    mg-k(so+s) - lv = ma

    --> S``+(l/m)S`+k*S= 0

    Find fluctuation/svingning/S as a function of the time t.

    a) The speed has direction down.

    b) The speed has direction up.



    In a) Shal I put 2,0m/s innstead for S` ? and then solve the Function?
    And i b) Shal i put -2,0m/s instead for S`and then solv the function? I don't have any answer i can look at, and chek if that's right :/
    Last edited by DELLARMADA; April 22nd 2009 at 01:59 PM.
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