MCQOPTIONS
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| 1. |
Assuming the Earth to be a perfect sphere, its equatorial velocity is approximately __________ km/hr |
| A. | 1600 to 1700 |
| B. | 2000 to 2100 |
| C. | 1200 to 1300 |
| D. | 1800 to 1900 |
| Answer» B. 2000 to 2100 | |