spiritweek spiritweek

04-05-2017
Mathematics

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Radio signals travel at a rate of 3x10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of the Earth if the satellite is orbiting at a height of 7.5x10^6 meters?

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DariusX DariusX

04-05-2017

V*t=S

V=3x10^8 m/s
S=7.5x10^6 m

t=S/V = 7.5x10^6 / 3x10^8 = 7500 000 / 300 000 000 = 0.025 s

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