Waves

A transverse wave \(\mathrm{Y}=2 \sin (0.01 \mathrm{x}+30 \mathrm{t})\) moves on a stretched string from one end to another end in 0.5 second. If \(x\) and \(y\) are in \(\mathrm{cm}\) and \(t\) in second, then the length of the string is