Physics

Problem

A light spring has force constant

150\,\text{N\,m}^{-1}

. How much should it be stretched so that it stores

1.35\,\text{J}

of elastic potential energy? a)

0.095\,\text{m}

0.18\,\text{m}

0.13\,\text{m}

0.26\,\text{m}