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clc
clear
printf("example 4.11 page number 142\n\n")
//to find the pressure
u1=0; //in m/s
ws=0;
P1=0.7*10^5 //in Pa
P3=0
density=1000 //in kg/m3
u3=((2*(P1-P3))/density)^0.5;
printf("u3 = %f m/s",u3)
ratio_area=0.5;
u2=u3/ratio_area;
printf("\n\nu2 = %f m/s",u2)
//applying bernoulli's equation
P2=1.7*10^5-((density*u2^2)/2)
printf("\n\nP2 = %f Pa",P2)
printf("\nthis flow is physically unreal")
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