1.A composite wire of diameter 1cm consisting of copper and steel wire of length 2.2m and 2 m

respectively.total extension of wire when stretched by a force is 1.2mm.calculate the force .(

Y of steel is 2*1011 pa

Y of copper is 1.1*1011 pa

You can do the calculations to calculate the value of F. It is very simple.

Cheers!!

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