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Equal forces are used to stretch to exactly similar wires of Steel and Copper. The sum of their elongations is 1 cm. Find how

Equal forces are used to stretch to exactly similar wires of Steel and Copper. The sum of their elongations is 1 cm. Find how much each wire is elongated. Given; Y for Steel = 20 x 100 N/m and Y for Copper = 12 x 100 N/m.

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