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Calculate the strain potential energy of...

Calculate the strain potential energy of a horizontal rod 1 m long and `0.4xx10^(-4) M^(2)` in cross -section fixed at both ends , which is cooled from `25^(@)` c to `10^(@)` C Linear expansivity of the material of the rod `=11xx10^(-6) //K` and Young's modulus `=2.1xx10^(11) "" Nm^(-2)`

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`0.114J`
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