PROBLEM $18$

At what flow rate is the rain entering the container through the opening below? The velocity is $V=0\mathrm{.}3\frac{m}{s},$ and the opening has an area of $A=0\mathrm{.}25m^2.$

$($a$)0\mathrm{.}075\frac{m^3}{s}$

$($b$)0\mathrm{.}065\frac{m^3}{s}$

$($c$)0\mathrm{.}055\frac{m^3}{s}$

$($d$)0\mathrm{.}035\frac{m^3}{s}$

$($e$)0\mathrm{.}0375\frac{m^3}{s}$