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Question
Give reasons for the following
The speed of the rotation of the earth is greater at the Equator than at the Arctic Circle.
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Solution
As every part of the earth takes a frill round within 24 hours, the equator being the largest circle of latitude 0°, the speed is greatest at the equator due to crossing the maximum distance per hour. i.e. it is 1660 km per hour, while it decreases to 0° at poles.
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