The pressure in the diving bell shown below will change with

depth of submersion $L.$

A$)$ Derive an expression for the height of liquid $y$ as a

function of $h$ and $L.$

B$)$ If $L=20ft$ and $Y=2ft$ : what is the height of mercury, $h($in

ft$)?$

Specific gravity of $Hg=13\mathrm{.}6$