//Surface tension of water(in mN/m):
STw=72.8*10^-3;
//Surface Tension of mercury(in mN/m):
STm=375*10^-3;
//Contact angle for water:
thetaw=0;
//COntact angle for mercury:
thetam=140;
//Density of water(in kg/m^3):
dw=1;
//Density of mercury(in kg/m^3):
dm=13.6;
//Acceleration de to gravity(in m/sec):
g=9.81;