A metal rod of Young's modulus2 xx 10^10 Nm^(-2)undergoes an elastic strain of 0.02% the energy per unit volume stored in the rod in joule/m^3 is

A metal rod of Young's modulus2 xx 10^10 Nm^(-2)undergoes an elastic s

1.	A metal rod of Young's modulus2 xx 10^10 Nm^(-2)undergoes an elastic strain of 0.02% the energy per unit volume stored in the rod in joule/m^3 is
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