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Suppose a force of 10 N is required to stretch a spring 0.1 m from its...

Suppose a force of 10 N is required to stretch a spring 0.1 m from its equilibrium position and hold it in that position.

(a) Assuming the spring obeys Hooke’s law, find the spring constant.

(b) How much work is needed to stretch the spring 0.25 m from its equilibrium position?

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