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//Fluid system - By - Shiv Kumar
//Chapter 2 - Impact of Jet
//Example 2.30
clc
clear
//Given Data:-
V=40; //Absolute Velocity of Jet, m/s
a=0.04; //Cross-sectional area of Jet, m^2
u=40; //Speed of boat, km/hr
//Data Used:-
rho=1000; //Density of water, kg/m^3
//Computations:-
u=u*1000/3600; //m/s
F=rho*a*(V+u)*V; //N
eta=2*u/(V+2*u)*100; //in Percentage
//Results:-
printf("(a)Propelling Force, F=%.f N \n", F) //The answer vary due to round off error
printf("(b)Efficiency of propulsion, eta=%.2f percent", eta)
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