physics

how much energy is stored in a pinball machine spring (constant=750N/m) that is compressed 3 cm?

asked by galina
  1. What is 1/2 k *.03^2 Joules?

    posted by bobpursley
  2. 3 cm = .03 meters
    E = (1/2) k x^2
    E = (1/2)(750)(.0009) Joules

    posted by Damon

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