THIS IS VERY URGENT! Please do the following:

PROBLEM $4\mathrm{.}2$

The Froude number, $F_r,$ is a dimensionless value that describes different flow regimes of open channel flow. If it depends on velocity $V,$ gravitational constant $g,$ and length $L,$ use Buckingham Pi Theorem to show

$F_r=\frac{V}{\sqrt[\phantom{2}]{gL}}$