Physics, 22.08.2021 04:50 CalCDanG

A certain spring has a spring constant k1 = 720 N/m as the spring is stretched from x = 0 to x1 = 39 cm. The spring constant then changes to k2 = 210 N/m as the spring is stretched to x2 = 67 cm. From x2 = 67 cm to x3 = 91 cm the spring force is constant at F3 = 115 N. Use the area under the curve to calculate the work, in joules, necessary to stretch the spring from x = 0 to x1.

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A certain spring has a spring constant k1 = 720 N/m as the spring is stretched from x = 0 to x1 = 39...

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