The tank and drainpipe in Fig. 2-9 are filled with gasoline and glycerin to the depths shown. Determine the pressure on the drain plug at
C
. Report the answer as a pressure head in meter of water. Take
\rho _(ga)=726k(g)/(m^(3))
and
\rho _(gl)=1260k(g)/(m^(3))
.