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Q. The speed of rotation of the earth is: [IFS 1991] (Solved)
1. 25 km/sec.
2. 31 km/sec.
3. 39.5 km/se
4. 9.72 km/sec.
d. 9.72 km/sec.
Related Topics
→ Atmosphere
→ Fundamentals of World Geography
→ Rocks and Mountains
→ Seasons on Earth, Facts on Agriculture, Minerals and Industries
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→ The Water World, Facts and Countries
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