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Problem Statement 1. Think about a communications satellite in geosynchronous orbit. It sits approximately 35,786 kilo meter above the Earth's equator. What is the transmission delay in seconds that would be expected for a data packet to travel from one ground station to another via this satellite? You may make the simplifying assumption that the data packet travels at the speed of light in vacuum.

Problem Statement 2. Consider a "long haul" cable that is 100 km in length. Assume that the propagation speed in the cable is 2/3 the speed of light in vacuum. What is the transmission delay (in milli-seconds) through this cable? In other words, how long does it take for a single bit to travel from one end of the cable to the other?

• Category:- Physics
• Reference No.:- M937986

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