The Global Positioning System (GPS) consists of how many satellites?
Correct answer: A. 24 Natural satellites
- A. 24 Natural satellites
- B. 4 Natural satellites
- C. 3 Synchronous satellites
- D. both and and b
Explanation
The GPS consists of a constellation of 24 satellites in orbit around the Earth.
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About Satellite Motion and Orbital Velocity
Satellite motion uses gravitational force as the centripetal force required for circular orbit, giving relationships among orbital radius, period and orbital velocity. Questions cover geostationary conditions and weightlessness, while distinguishing orbital velocity, escape velocity and the satellite's tangential speed.
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