$1.$ Water flows down a windshield during a storm. If the windshield is $1\mathrm{.}4$ m wide $($width of the car$),$ and the layer is $2$ mm thick, what is the volumetric flow rate of the water? $\backslash (\backslash$mathrm$\{$V$\}\_\{\backslash$mathrm$\{$o$\}\}=0\mathrm{.}65\backslash$mathrm$\{$~m$\}/\backslash$mathrm$\{$s$\}\backslash ).$