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clear
//
//Given
//Variable declaration
P=600e3 //Axial load in N
L=20e3 //Length in mm
w=0.00008 //Weight per unit volume in N/sq.mm
A2=400 //Area of bar at lower end in sq.mm
//Calculation
sigma=int(P/A2) //Uniform stress on the bar in N/sq.mm
A1=(A2*(%e^((w*L/sigma))))
//Result
printf("\n Area of the bar at the upper end = %0.3f mm^2",A1)
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