The degree of longitude through which the Earth spins within 3hours is

Assessment: WAEC SSCE - Geography - 2017 (Objective) Subject: Geography

Question 1 Report

The degree of longitude through which the Earth spins within 3hours is

Answer Details
The Earth spins 360 degrees in 24 hours, so in one hour it spins 360/24 = 15 degrees. Therefore, in 3 hours, the Earth spins 15 x 3 = 45 degrees of longitude.
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