physics

A mass of 2.9 g is hanging underneath a spring which has an unknown spring constant. The period of oscillation is 5.5 seconds. Find the spring constant in N/m. Give your answer to 2 s.f.

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asked by jake
  1. T = 2 pi sqrt (m/k)

    5.5 = 2 pi sqrt (.0029/k)
    .87535 = sqrt (.0029/k)
    .766= .0029/k

    k = .0038 N/m

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    posted by Damon

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