Physics

Problem

A light helical spring is stretched by

0.20\,\text{m}

and is found to store

0.80\,\text{J}

of elastic potential energy. a. (i) Calculate the spring constant of the spring. b. (ii) Determine the magnitude of the force required to keep the spring stretched by

0.20\,\text{m}

. Use your answer from part (i).

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