Physics - Wave on String Question with Solution | TestHub

The equation of wave is given by $Y=10^{-2}\sin 2\pi \left(160t-0.5x+\frac{\pi }{4}\right)$ Where $x$ and $Y$ are in $m$ and $t$ is in $s$. The speed of the wave is $\_\_\_\_$ $\mathrm{km}{\mathrm{h}}^{-1}$