Ex. 78 : A wire of length 2 m and radius 0.1 mm stretched by applying a stress of 3 x 10 N/m2 produces extension of 3 x 10 m. Calculate the strain energy in the wire.

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Ex. 78 : A wire of length 2 m and radius 0.1 mm
stretched by applying a stress of 3 x 10 N/m2
produces extension of 3 x 10 m. Calculate the
strain energy in the wire.
Transcribed Image Text:Ex. 78 : A wire of length 2 m and radius 0.1 mm stretched by applying a stress of 3 x 10 N/m2 produces extension of 3 x 10 m. Calculate the strain energy in the wire.
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