//Example 11.1
A=50*(10^3)^2;//Surface area (m^2)
h=40;//Average depth (m)
rho=1*10^3;//Density of water (kg/m^3), See Table 11.1
V=A*h;//Volume (m^3)
m=rho*V;//Mass of water (kg)
printf('Mass of water behind the dam = %0.2e kg',m)
//Openstax - College Physics
//Download for free at http://cnx.org/content/col11406/latest