If the coast-to-coast distance is about 2900 miles, it will take about ...
... (2900 mi)/(186000 mi/s) ≈ 15.6 ms
for the signal to travel coast-to-coast at light speed.
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There are time delays due to the amplifiers and repeaters required in the path, and due to the fact that the signals don't actually travel at the speed of light in a wire.
A test of internet speed between Seattle and Washington, DC shows a round-trip time of about 87 ms when traffic is light. Modern communication channels tend to be faster than the telegraph (especially when measured in words per minute).
It divided Antarctica between the different countries that were trying to reclaim the country. It also permitted the scientific exploration of all the land
Many of the southern Russia and some of the neighboring countries to the south are experiencing a political and an ethnic and a social unrest.
Due to rt the wars and the violence and while the capital city of the Sakha Republic in Russia is located far away from these political and has inhabited locality and the city is connected by a highway that can be only used by a ferry.