# A substance breaks down under a stress of 10^(5) Pa. If the density of the wire is 2 xx 10^(3) kg//m^(3), find the minimum length of the wire whic

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A substance breaks down under a stress of 10^(5) Pa. If the density of the wire is 2 xx 10^(3) kg//m^(3), find the minimum length of the wire which will break under its own weight (g= 10 ms^(-12)).

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Mg=PA: A is sectional area
Alqg=10^(5)A
l=(10^(5))/(2xx10^(3)xx10)=5m