SUMMARY
The rotational velocity of Earth on December 31, 1899, is calculated using the formula that divides the total degrees rotated by the length of the day in seconds. Specifically, Earth rotated 360.9856 degrees in 86,400 seconds, resulting in a rotational velocity of 0.004178 degrees per second or 15.041 degrees per hour. This calculation is essential for understanding timekeeping standards, as the SI second is based on this historical reference point.
PREREQUISITES
- Understanding of rotational motion and angular velocity
- Familiarity with the concept of time measurement and the SI second
- Basic knowledge of Earth's rotation and its implications on timekeeping
- Ability to perform unit conversions and basic arithmetic calculations
NEXT STEPS
- Research the historical context of the SI second and its calibration methods
- Explore the implications of Earth's rotational velocity on timekeeping systems
- Learn about the differences between mean solar time and ephemeris time
- Investigate the effects of Earth's rotation on satellite orbits and GPS technology
USEFUL FOR
Students of physics, astronomers, timekeeping enthusiasts, and anyone interested in the historical development of time measurement standards.
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