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diff --git a/3137/CH13/EX13.3/Ex13_3.sce b/3137/CH13/EX13.3/Ex13_3.sce
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+//Initilization of variables
+m=2 //kg
+vo=0 //m/s
+v=3 //m/s
+s=0.8 //m
+theta=20 //degrees
+g=9.8 //m/s^2
+//Calculations
+N=m*g*cosd(theta) //N
+a=(vo^2-v^2)/(2*s) //m/s^2
+u=-((2*a)+(m*g*sind(theta)))/N  
+//Solving for return speed
+//Symbol convention is different from textbook
+a_ret=((m*g*sind(theta))-(u*N))/2 //m/s^2
+vf=sqrt((2*a_ret*s)) //m/s
+//Result
+clc
+printf('The speed is %fm/s',vf)