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diff --git a/896/CH7/EX7.16/16.sce b/896/CH7/EX7.16/16.sce
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+clc
+//Example 7.16
+//calculate the verticle downward velocity of air hitting an aircraft wing
+l=15//m length of wing
+b=3//m thickness of wing
+A=l*b//m^2 area of the colliding surface of the wing
+rho_air=1.21//Kg/m^3
+Vx=50//m/s
+m=rho_air*A*Vx//Kg/s
+Fy=9810//N Weight of the aircraft
+Vy=Fy/m//m/s
+printf("The verticle downward velocity of air hitting the aircraft wing is %f m/s",Vy);
+\ No newline at end of file