The force an ideal spring exerts on an object is given by Fx = −kx, where x measures the displacement of the object from its equilibrium (x = 0) position. If k = 60 N/m, how much work is done by this force as the object moves from x = −0.20 m to x = 0?
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−1.2 J
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+1.2 J
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+2.4 J
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−2.4 J
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+3.6 J