c$)$ A $70mm$ siphon is drawing water from a reservoir, as shown in Figure

$(10$ marks$)$

$1\mathrm{.}2$ below. If all energy losses are ignored, find the discharge of water from the siphon and the pressure at point $B.$

Bernoulli's equation: $\frac{p}{pg}+\frac{v^2}{2(g)}+z=$ constant

Figure $1\mathrm{.}2$