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Simple Harmonic Motion of spring

  1. Nov 3, 2011 #1
    1. The problem statement, all variables and given/known data
    Mass is attached to a spring and set into a vibratory motion.

    m=0.10 kg
    f=2.5 Hz


    2. Relevant equations

    f=1/2pie{sqrt(k/m)}


    3. The attempt at a solution

    Trying to find k (force constant)

    I tried using the equation above but I can't get the right answer.

    answer: 25 N/m
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Nov 3, 2011 #2
    If [itex] f = 2.5 Hz [/itex] then [itex] T = 0.4 s [/itex] but we also know that [itex] T = 2\pi \sqrt{\frac{m}{k}} [/itex] so using that we can solve for k :)
     
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