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A spring with constant speed of 3.5x10^4 N/m is initially @ its equilibrium length. (a)How much work must u do to stretch the spring 0.050 m? (b) How much work must you do to crompress it 0.050m?

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Energyinspring= 1/2 k*deflection^2

you are given the deflection, and k.

(1/2)(3.5x10^4 N/m)(0.050m)^2

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