a wire of young's modules 1.5×10¹² Nm –2 is stretched by a force so as to produce a strain of 2×10⁴.The energy stored per unit volume is
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Answer:
3 * 10^20
Explanation:
energy stored per unit volume = stress * strain /2
= 1.5×10¹² × 2×10⁴ × 2×10⁴ / 2
= 3 * 10^20
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