A wave on a string is described by

D$($x$,$t$)=$

$(2\mathrm{.}00$cm$)$sin$[(12\mathrm{.}57$rad$/$m$)$x$(638$rad$/$s$)$t$],$

where is inmandtis ins.The linear density of the string is$5\mathrm{.}00$g$/$m$.$ what is the maximum displacement