Question

Radio waves travel at the speed of light. how long would it take the russians to send a message to a spacecraft orbiting mars at a distance of 7.8

Answer 1

Basing on the information given, we can compute for the time:speed of light = 300 000 000 m/sdistance = 7.8Formula:t= v/d=300 000 000 m/s / (7.8m)

=38461538.5 s

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