Physics, 17.02.2020 22:25, jefarmjefarm9659

It takes 90 j of work to stretch a spring 0.2 m from its equilibrium position. How muc work is needed to stretch it an additional 0.4 m?

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It takes 90 j of work to stretch a spring 0.2 m from its equilibrium position. How muc work is neede...