Equilibrium Length of a Spring#
The potential energy of a spring is given by \(U(x) = (\)\(7x^2 - 18x + 100\)\() J\) if \(x\) is given in metres.
What is the equilibrium length of the spring?
Please enter in a numeric value in J.
Problem is licensed under the CC-BY-NC-SA 4.0 license.