An $8.00-\mathrm{cm}$ (Free Length) Spring Has a Spring Constant Of $25.0 \mathrm{~N} / \mathrm{cm}$

Short Answer

An $8.00-\mathrm{cm}$ (free length) spring has a spring constant of $25.0 \mathrm{~N} / \mathrm{cm}$ . Find the work required to stretch it from $12.0 \mathrm{~cm}$ to $16.0 \mathrm{~cm}$ .