Review of wave equation for a vibrating string (1-dimension)
Link to video that shows how the wave equation can be obtained from Newton's Laws: https://youtu.be/UXqUXYaRyGU?feature=shared
Link to site to site shown in the video: https://www.acs.psu.edu/drussell/Demos/Pluck-Fourier/Pluck-Fourier.html
