initial commit / add all books

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diff --git a/797/CH5/EX5.7.s/5_07_solution.sce b/797/CH5/EX5.7.s/5_07_solution.sce
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+//Solution 5-07
+WD=get_absolute_file_path('5_07_solution.sce');
+datafile=WD+filesep()+'5_07_example.sci';
+clc;
+exec(datafile)
+P_atm = P_atm * 1000; //conversion from [kPa] to [Pa]
+D = D / 1000; //conversion from [mm] to [m]
+V = V / 1000; //conversion from [litres] to [m^3]
+//(a)
+V_2 = sqrt(2 * g * z_1); //Toricelli equation
+A = %pi * D^2 / 4;
+Vdot = V_2 * A; //continuity equation
+dt = V / Vdot;
+printf("\nVelocity of water entering the gas can is %1.2f m/s", V_2);
+printf("\nArea of cross section of siphon is %1.2e m^2", A);
+printf("\nVolume flow rate of gasoline is %f L", Vdot * 1000);
+printf("\nTime needed to siphon 4L of gasoline is %1.2f s", dt);
+//(b)
+P_3 = P_atm - rho * g * z_3; //application of Bernoulli equation between 2 and 3
+P_3 = P_3 / 1000; //conversion from [Pa] to [kPa]
+printf("\nPressure at point 3 in siphon is %1.2f kPa", P_3);