$!$EMERGGENCY $!!$

em $1$: $(25$ Points$)$

ure below shows two cast$-$iron pipes $(=0\mathrm{.}26mm)$ connected in series that bring water from a servoir and discharge it into the atmosphere. Determine the discharge. Take the kinematic viscosity of water,

$u=110-6\frac{m^2}{s}$ and, the density of water as $1000k\frac{g}{m^3}.$