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+//Fluid system - By - Shiv Kumar
+//Chapter 2 - Impact of Jet
+//Example 2.29
+ clc
+ clear
+
+//Given Data:-
+ V=20; //Absolute Velocity of Jet of Water, m/s
+ a=0.18; //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/1000; //kN
+ //(b)
+ P=Fx*u; //kW
+ //(c)
+ eta=2*V*u/(V+u)^2*100; //in Percentage
+
+//Results:-
+ printf("(a)Propelling Force on the boat, Fx=%.4f kN \n", Fx)
+ printf("(b)power required to drive the pump=%.2f kW \n", P)
+ printf("(c)Efficiency of the Jet propulsion, eta=%.2f percent", eta)
+