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The length of a cylindrical steel bar is L = 400 cm at a temperature T1 = 0C. What is the increase in length ?L
The length of a cylindrical steel bar is L = 400 cm at a temperature T1 = 0C. What is the increase in length ?L of this bar (in [cm]) when the temperature increases to T2 = 200C? The linear expansion coefficient of steel is ? = 12 10-6 K-1. The radius of the steel bar r = 0.9 cm is very small in comparison with its length.
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