For Problem $5\mathrm{.}17,$ calculate x$11$t$2$ and x$21$t$2$ for the following initial conditions:

a$.$ x$1102=0\mathrm{.}2$ m$,$ x #

$1102=$ x$2102=$ x #

$2102=0.$

b$.$ x$1102=0\mathrm{.}2$ m$,$ x #

$1102=$ x$2102=0,$ x #

$2102=5\mathrm{.}0$ m$/$s$.$