a force of 20N compresses a spring with a spring constant of 50N/m. how much energy is stored in the spring?

Answer 1

energy= 1/2 k x^2
but F=kx or x= F/k=20/50 m= .4m

energy= 1/2 (50)(.4^2) joules

Answer 2

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Answer 3

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Answer 4

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