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A steel wire of 4.0 m is stretched throu...

A steel wire of 4.0 m is stretched through 2.0 mm. The cross - sectional area of the wire is `2.0 mm^2.` If young's modulus of steel is `2.0 xx10^(11) Nm^(-2)` find (i) the energy density of the wire, (ii) the elastic potential energy stored in the wire.

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A steel wire of 4.0 m in length is stretched through 2.00 mm. The cross-sectional area of the wire is 2.0mm^(2) if young's modulus of steel is 2.0xx10^(11)N//m^(2) find (i) the energy density of wire (ii) the elastic potential energy stored in the wire.

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SL ARORA-Mechanical Properties of Solids-Example
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