Multiple choice

The speed of rotation of the earth is the highest

  1. along the Equator

  2. along the Tropic of Cancer

  3. along the Arctic Circle

  4. at the North Pole
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A Correct answer
Explanation

Earth's rotational speed is highest at the Equator because the circumference is greatest there (approximately 40,075 km). Since Earth completes one full rotation in 24 hours everywhere, points on the Equator must travel the longest distance in the same time, resulting in the highest linear speed (about 1,670 km/h). At the poles, rotational speed approaches zero.

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