The displacement equation of a progressive wave is $y=3 \sin (2000 t-5 x)$, where the distance $x$ a

Question

The displacement equation of a progressive wave is $y=3 \sin (2000 t-5 x)$, where the distance $x$ and $y$ are in metre and time in second the speed of the wave is

Professor PC Thomas Classes · Answer

Wave speed $v = \omega / k = 2000 / 5 = 400 	ext{ m/s}$.