$2\mathrm{.}2\mathrm{.}7.$ At a location $(x_1,y_1,z_1)=(1,000m,800m,120m)$ the pressure head is $130$ m

and the hydraulic gradient is tilde$(l)=0\mathrm{.}001$hat$()-0\mathrm{.}008$hat$()+0\mathrm{.}05$hat$(k).$ What are the hy$-$

draulic head and pressure $($in Pa$)$ at location

m $)$ if the head gradient is assumed to be uniform? The specific weight of water

is $9,810\frac{N}{m^3}.$