PROBLEM $2$

The data from a falling head test as shown in figure.

a$.$ Determine the coefficient of permeability in $\backslash (\backslash$mathrm$\{$cm$\}/\backslash$mathrm$\{$min$\}\backslash )$ if the temperature was $\backslash (21^\{\backslash$circ$\}\backslash$mathrm$\{$C$\}\backslash ).$

b$.$ Determine the hydraulic gradient.

c$.$ Rate of flow in the soil.

d$.$ Compute the seepage velocity if the porosity in soil is $0\mathrm{.}25.$