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in Physics by (87.3k points)
A steel wire 2mm in diameteris ust streched between two dixed point at a temperature of `20^(@)C`. Determine its tension when its temperature falls to `10^(@)C`. Linear expansivity of steel `=11 xx 10^(-6)//K, Young modulus `=2 xx 10^(11)//m^(-2)`

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1 Answer

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Correct Answer - 0.114J

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