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Aluminium wire of length 2.2 m and a Iro...

Aluminium wire of length 2.2 m and a Iron wire of length 1.6 m, both of diameter 3.0 mm, are connected end to end. When stretched by a load, the net elongation is found to be 0.70 mm. Obtain the load applied.
Young's modulus of aluminium
`Y_(Al) =70 xx 10 ^(9) Nm ^(-2)`
Young's modulus of iron `Y_(F)=120 xx 10 ^(9) Nm ^(-2) `

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Appliec load `F = 111.3N`
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