Question #$2(3$ pts$.)$:

Considering a $40,000-f{t}^2$ area of the water upstream of the dam,

a$)$ What will be the loss of that water down into the groundwater table? $(1\mathrm{.}5$ pts$.)$

b$)$ What will the uplift force be on a $45-$foot long section of the dam? $(1\mathrm{.}5$ pts$.)$