1. Nov 3, 2011 #1

   hotspurslover

   

   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

    

   hotspurslover, Nov 3, 2011
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3. Nov 3, 2011 #2

   JHamm

   

   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 :)

    

   JHamm, Nov 3, 2011

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