A transverse harmonic traveling wave is represented by the function $y(x,t)=(0\mathrm{.}02m)*sin[(1000ra\frac{d}{s})t-(10ra\frac{d}{m})x].$ What is the wavelength of the disturbance?

$10$m

$0\mathrm{.}2$ m

$10$ m

$0\mathrm{.}5$ m