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+//Fluid system - By - Shiv Kumar
+//Chapter 2 - Impact of Jet
+//Example 2.20
+      clc
+     clear
+     
+//Given Data:-
+        d=40;     //Diameter of the Jet, mm
+        V=35;     //Absolute Velocity of the Jet, m/s
+        u=18;      //Velocity of the curved plate, m/s
+        AoD=165;          //Angle of deflection of the Jet, degrees
+
+//Data Used:-
+     rho=1000;      //Density of water, kg/m^3
+     
+      
+//Computations:-
+        d=d/1000;       //m
+        a=(%pi/4)*d^2;      //cross-sectional area of Jet, m^2
+        theta=180-AoD;       //degrees
+   //(a)
+        Fx=rho*a*V*(V-u)*(1+cosd(theta));      //N
+     //(b)Work done by Jet per second, W
+          W=Fx*u;           //N-m/s
+     //(c)
+          eta=W*2/(rho*a*V^3)*100;        //In percentage
+          
+//Results:-
+     printf("(a)Force exerted on the series of curved plates in direction of Jet, Fx=%.2f N  \n", Fx)      //The answer vary due to round off error
+     printf("(b)Work done by Jet per second=%.2f N-m/s \n", W)      //The answer vary due to round off error
+     printf("(c)Efficiency of the Jet, eta=%.2f percent", eta)      //The answer vary due to round off error