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//How high will water rise in Xylem vessel of a plant
//Examlpe 21.1
clc;
clear;
gyma=0.07275; //Suface tension in N m^-1
r=0.020*10^-2; //Radius of Xylem vessel in m
g=9.81; //Acceleration due to gravity in m s^-1
rho=1*10^3; //Density of water in kj m^-3
costheta=1; //Beacause the contact angle is quite small we assume that theta=0
h=(2*gyma*costheta)/(rho*g*r); //Height of the water that rise up in Xylem vessel in m (1 N=1 kg m s^-2 therefore N s^2 kg^-1=1 m)
printf(" Hight of the water that rise up in Xylem vessel of a plant = %.3f m",h);
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