A brass rod of cross-sectional area I cm2 and length 0.2 m is compressed lengthwise by a weight of 5 kg. If Young's modulus of elasticity of brass is 1×1011 N/m2 and g = l0 m/sec2, then increase in the energy of the rod will be
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A brass rod of cross-sectional area I cm2 and length 0.2 m is compressed lengthwise by a weight of 5 kg. If Young's modulus of elasticity of brass is 1×1011 N/m2 and g = l0 m/sec2, then increase in the energy of the rod will be