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OpenStudy (anonymous):
a composite wire of uniform diameter , 3mm consists of a copper wire of length 2.2m and steel wire of length 1.6m.If it stretches under a load by 0.7mm, calculate the load. Given Youngs modulus of copper is 1.1*10^11 Nm^-2 and that of steel is 2*10^11 Nm^-2 . @IIT study group
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