Answer / syed mubesher

2.46kg/m

Answer / mohammad ibrahim

d x d / 162.162 is the formula for calculating weight. As far as ur Question is concerned, the answer will be 2.46 Kg / m. 

Answer / ashok reddy

Cross sectional area of rod is circular.
Circle area = (π*d*d)/4
Which means = (3.1415*d*d)/4.
= (d*d)/162
Further any more doubts cal me 09959953100

Answer / shiv jaiswal

we know that unit weight of steel rod is 7850 kg/m^(3) and W/l=unit weight*area
so weight per unit length=7850*((π*d*d)/4)*10^(-6)=6.16*10^(-3)d*d=d*d/162
where, d in mm

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