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+clc
+//initialisation of variables
+clear
+r=1.4
+g= 32.2 //ft/sec^2
+R= 53.3 //lbf ft/lbm
+T1= 760 //R
+p2= 2 //lbf/in^2
+p1= 3 //lbf/in^2
+//CALCULATIONS
+V2= sqrt(2*r*R*g*T1*(1-(p2/p1)^((r-1)/r))/(r-1))
+//RESULTS
+printf ('Velocity in working section = %.f ft/sec',V2)