What is the spring constant of this spring how much work is

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If forces of magnitude 3.00 N applied to each end of a spring cause the spring to stretch 4.20 cm from its relaxed length, how far do the forces of magnitude 4.50 N cause the same spring to stretch? What is the spring constant of this spring? How much work is done by the applied forces in stretching the spring 4.20 cm from its relaxed length?

Reference no: EM13621285

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