Mathematics · Thermal Properties of Matter
A steel rod with Young's modulus Y = 2.0 × 1011 N/m2 and coefficient of linear expansion α = 10-5 °C-1 having a length of 4 m and cross-sectional area of 10 cm2 is heated from 0°C to 400°C without being allowed to extend. The tension produced in the rod is x × 105 N, where the value of x is:
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