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What is the spring constant for the spring?

  1. Sep 30, 2015 #1
    1. The problem statement, all variables and given/known data
    A mass 2.74 kg is hung from a spring. The mass is pulled down a short distance and released, it oscillates with a frequency f = 1.972 Hz.

    What is the spring constant for the spring?

    2. Relevant equations
    f=1/2pi*sqrt(k/m)

    3. The attempt at a solution
    1.972 = 1/2pi*sqrt(k/2.74)
    Rearranged:
    k = (1.972/ 1/2pi)^2 x 2.74
    = 4.3184 N/m

    But this answer is wrong? Can someone please show me how this is so? Thank you
     
  2. jcsd
  3. Sep 30, 2015 #2
    What's the definition of Hertz?
     
  4. Sep 30, 2015 #3

    Doc Al

    User Avatar

    Staff: Mentor

    Redo your calculation a bit more carefully.
     
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