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+//Fluid system - By - Shiv Kumar
+//Chapter 2 - Impact of Jet
+//Example 2.28
+      clc
+     clear
+     
+//Given Data:-
+        V=20;        //Absolute Velocity of Jet of Water, m/s
+        a=0.02;       //Cross-sectional area of Jet, m^2
+        u=30;          //Speed of boat, km/hr
+
+//Data Used:-
+        rho=1000;      //Density of water, kg/m^3
+
+//Computations:-
+        u=u*1000/3600;         //m/s
+   //(a)
+        Fx=rho*a*(V+u)*V;          //N
+   //(b)
+        P=Fx*u/1000;       //kW
+   //(c)
+        eta=2*V*u/(V+u)^2*100;          //in Percentage
+
+//Results:-
+     printf("(a)Propelling Force on the boat, Fx=%.f N \n", Fx)      //The answer vary due to round off error
+     printf("(b)power required to drive the pump=%.2f kW  \n", P)      //The answer vary due to round off error
+     printf("(c)Efficiency of the Jet propulsion, eta=%.2f percent", eta)      //The answer vary due to round off error
+