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diff --git a/896/CH7/EX7.2/2.sce b/896/CH7/EX7.2/2.sce
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+clc
+//Example 7.2
+//Calulate the final velocity of duck after being hit by a bullet
+m_duck=3//lbm
+v_duck=-15//ft/s due west
+m_bullet=0.05//lbm
+v_bullet=1000//ft/s due east
+//total initial momentum = final momentum
+v_sys=((m_duck*v_duck)+(m_bullet*v_bullet))/(m_duck+m_bullet)//ft/s
+printf("The final velocity of the duck is %f ft/s",v_sys);
+\ No newline at end of file