Labels:text | font | screenshot | document OCR: Problem 3. A synchronous Earth satellite is one that is placed in a west-to-east orit over the equator at such an altitude that its period of revolution about Earth is 24 hours, the time for one rotation of Earth on its axis. Thus the orbital motion of the satellite is syncronized with Earth's rotation, and the satellite appears, from Earth, to remain stationary over a point on Earth's surface below. Such communication satellites as ynowy, Buty Fiv, Immer and A7% are in synchronous orbits. Find the altitude and the velocity for a synchronous Earth satellite. Solution: The velocity can be found from the equation for circular orbital velocity. It can also be found by dividing the distance around the orbit by the time required; that is, v = 21r/ t. Because the two velocities ar equal, 2TT = / ...
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