$-3\mathrm{.}7\mathrm{.}1$ Figure P$3\mathrm{.}7\mathrm{.}1$ shows a compound open channel cross$-$section. Determine the energy correction factor $.$ Assume uniform velocities within the subsections.

Figure P$3\mathrm{.}7\mathrm{.}1$ Compound open$-$channel crosssection for problem $3\mathrm{.}7\mathrm{.}1.$

$3\mathrm{.}7\mathrm{.}2$ Determine the momentum correction factor $$ for problem $3\mathrm{.}7\mathrm{.}1.$

$($i$)$

$\%$

$(0)$

$$