The strain energy per unit volume of a stretched wire isA. `1//2 xx ` stress `xx` strainB. `1//2 xx ("strain")^(2)xx Y`C. `1//2 xx ("stress")^(2)//Y`D. all of these

The strain energy per unit volume of a stretched wire isA. `1//2 xx `

1.	The strain energy per unit volume of a stretched wire isA. `1//2 xx ` stress `xx` strainB. `1//2 xx ("strain")^(2)xx Y`C. `1//2 xx ("stress")^(2)//Y`D. all of these
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The strain energy per unit volume of a stretched wire isA. `1//2 xx ` stress `xx` strainB. `1//2 xx ("strain")^(2)xx Y`C. `1//2 xx ("stress")^(2)//Y`D. all of these

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