$2\mathrm{.}6\mathrm{.}9$ The container shown in Fig. P$2\mathrm{.}6\mathrm{.}9$ holds $15\mathrm{.}6C$ water and

$15\mathrm{.}6C$ air as shown. Find the absolute pressures at locations $A,B,$ and $C.$

FIGURE P$2\mathrm{.}6\mathrm{.}9$

$2\mathrm{.}6\mathrm{.}10$ A closed cylindrical tank filled with water has a hemispheri$-$

cal dome and is connected to an inverted piping system, as shown in

Fig. P$2\mathrm{.}6\mathrm{.}10.$ The liquid in the top part of the piping system has a