Figs

$1\mathrm{.}10$ If the wind in problem $1\mathrm{.}9$ suddenly dropped to $1\frac{m}{s},$ estimate the conch of pollutents $2$ hr later.

$1\mathrm{.}11$ A lagoon with volume $1200m^3$ has been receiving a steadyflow of a conservative waste $100\frac{m^3}{?}$ day. The waste entering the lagoon with conch $10m\frac{g}{L}.$ Assuming complete mix condifions, what would be the comen of pollutant in the offluent leaving the lagoon. If the input waste comcn suddenly increases to $100m\frac{g}{L},$ what would be the outlel concen $7$ days later?

$1\mathrm{.}12$ Repeat problem foll for a nonconservative pollutant with reaction rate $K=\frac{0\mathrm{.}20}{?}$ day