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clear
//
//Given
//Variable declaration
L=2.8*10**3 //Length in mm
t=15 //Thickness in mm
P=40*10**3 //Axial load in N
a=75 //Width at bigger end in mm
b=30 //Width at smaller end in mm
E=2e5 //Youngs Modulus in N/sq.mm
//Calculation
dL=((((P*L)/(E*t*(a-b)))*((log(a)-log(b))))) //extension of rod in mm
//Result
printf("\n Extension of the rod,dL = %0.3f mm",dL)
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