Unknown macro: {latex}
\large
$$
{{p_
Unknown macro: {in} } \over {\rho g}} + z_
+ \alpha _
Unknown macro: {in} {{V_
^2 } \over {2g}} + h_P = {{p_
Unknown macro: {out} } \over {\rho g}} + z_
+ \alpha _
Unknown macro: {out} {{V_
^2 } \over {2g}} + h_T + h_L
$$