Q$1-1\mathrm{.}24\backslash$times $10^(-8)$C is moving with instantaneous velocity vec$($v$)=$

$4\mathrm{.}19\backslash$times $10^(4)$hat$()-3\mathrm{.}85\backslash$times $10^(4)$hat$()($m$)/($s$).$ ax direction bvec$($B$)=1\mathrm{.}40$hat$()$T