Thermal Expansion: A steel bridge is 1000 m long at -20°C in winter. What is the change in length when the temperature rises to 40°C in summer? The average coefficient of linear expansion of this steel is 11 × 10-6 K-1.
A. 0.33 m
B. 0.44 m
C. 0.55 m
D. 0.66 m
Answer: D
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