The Eiffel Tower in Paris Is Made Primarily of Iron

question 80

Multiple Choice

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

• A) 300.0015 m.
• B) 300.015 m.
• C) 300.15 m.
• D) 301.5 m.
• E) 315 m.

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Definitions:

Capillaries

The smallest blood vessels in the body, connecting arteries to veins, which facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste substances between blood and surrounding tissues.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to the body.

Echocardiography

Echocardiography is a diagnostic procedure that uses ultrasound waves to create images of the heart, allowing for the assessment of its structure and function.

Electrocardiogram

A test that measures the electrical activity of the heart to show whether it is working normally or to detect heart conditions.