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

bobpursley
What is 1/2 k *.03^2 Joules?

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