(a) Approximately how long would it take a telephone signal to travel 2690 mi from coast to coast across the United States?

Question

(a) Approximately how long would it take a telephone signal to travel 2690 mi from coast to coast across the United States? (Telephone signals travel at about the speed of light.)
(b) Approximately how long would it take a radio signal to reach the International Space Station (ISS) at an orbital altitude of 350 km?

Kunduz · Accepted Answer

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