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When a mass of 21 g is attached to a certain
spring, it makes 16 complete vibrations in
4.4 s.
What is the spring constant of the spring?
Answer in units of N/m

  • Physics -

    The period is
    P = 2*pi*sqrt(m/k) = 4.4/16 = 0.0275 s

    The mass is
    m = 0.021 kg

    Solve for k by rearranging the first formula

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