A spring of force constant stores of elastic potential energy when stretched

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A spring of force constant 400 N m−1400\,\text{N m}^{-1} stores 0.32 J0.32\,\text{J} of elastic potential energy when stretched. Determine the magnitude of the extension of the spring, expressing your answer in centimetres.

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