The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear

Question

The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is about 10 x 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 Answer 300.0015 m. 300.015 m. 300.15 m. 301.5 m. 315 m The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is about 10 x 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 300.0015 m. 300.015 m. 300.15 m. 301.5 m. 315 m 300.0015 m. 300.015 m. 300.15 m. 301.5 m. 315 m

Explanation / Answer

L = Lo ( 1 + alpha* delta T )

L = 300 ( 1 + 10*10^(-6) x 50 )

L = 300 x 1.005 = 300.15 m

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