Answer :
Given data:
* The spring constant of the spring is k = 26.2 N/m.
* The change in the length of the spring is x = 0.520 m.
Solution:
The work done to stretch the spring is,
[tex]W=\frac{1}{2}kx^2[/tex]Substituting the known values,
[tex]\begin{gathered} W=\frac{1}{2}\times26.2\times(0.520)^2 \\ W=3.54\text{ J} \end{gathered}[/tex]Thus, the amount of work done is 3.54 J.