Question

The potential energy in a Springs represented using the formula lw pay uses in equivalent equation which is solved for Kate to determine answers for her homework

Answer 1

$\begin{gathered} P=\frac{1}{2}kx^2 \\ 2\times P=\frac{1}{2}kx^2\times2 \\ 2P=kx^2 \\ \frac{2P}{x^2}=\frac{kx^2}{x^2} \\ k=\frac{2P}{x^2} \end{gathered}$

anwer: the third one