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Two exactly similar wires of steel and c...

Two exactly similar wires of steel and copper are stretched by equal forces. if the total elongation is 1 cm, find by how much is each wire elongated ? Given Y for steel `20 xx 10^10 N//m^2` and Y for copper `12 xx 10^10 N//m^2`

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[0.375 cm, 0.625 cm]
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