How long would it take a Radio wave with a frequency of 7.25 x 10 5 Hz to travel from Mars to Earth if the distance between these 2 planets is approximately 8?
Velocity = distance / time time = distance/velocity The velocity of a radio wave is the same as any electromagnetic radiation: 3.00 x 10^8 m/s v = 3.00 x 10^8 m/s d = 8.00 x 10^7 km = 8.00 x 10^10 m t = 8.00 x 10^10 m / 3.00 x 10^8 m/s t = 267 s
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