A string fixed at one end and free at the other end is

Last updated: 8/9/2022

A string fixed at one end and free at the other end is resonating in its third harmonic. If the displacement equation is y(x, t) = 0.08 sin(6.28x) cos(512t). What is the length of the string (x, y are in m) ? 0.5 m 0.75 m 1.25 m 1m