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diff --git a/689/CH8/EX8.3/3.sce b/689/CH8/EX8.3/3.sce
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+++ b/689/CH8/EX8.3/3.sce
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+clc; funcprot(0);
+//Example 8.3  Lift Equation
+
+// Initialisation of variables
+W_by_S = 9;
+rho = 0.002378;
+alpha = 6 ;
+Cl = 0.791;        // Value of Cl from fig 8.8
+
+// Calculations
+V = sqrt(W_by_S*2/(rho*Cl));
+
+//Results 
+disp(V,"Velocity in ft/sec :");
+\ No newline at end of file