The Eiffel Tower in Paris Is Made Primarily of Iron

question 69

True/False

The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is about 10 × 10 ^{− 6}/°C. On a cold day when the temperature is − 10°C the Eiffel tower is 300 meters tall. Its height on a hot day when the temperature is 40°C is 300.15 m.

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