Ocean waves with a crest$-$to$-$crest distance of $10\mathrm{.}0$ m can be described by the wave function

y$($x$,$t$)=0\mathrm{.}800$ sin $[0\mathrm{.}628($x $$ vt$)]$

where x and y are in meters, t is in seconds, and v $=1\mathrm{.}20$ m$/$s$.$