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A substance breaks down under a stress o...

A substance breaks down under a stress of `10^5` Pa. If the density of the substance is `2xx10^3(kg)/(m^3)`, find the minimum length of the wire made of this substance which will break under its own weight `(g=10(m)/s^(2))`

A

10m

B

`2.5m`

C

4m

D

5m

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