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How long would it take a radio wave with a frequency of 7.75 multiplied by 102 Hz to travel from Mars to Earth if the distance between the two planets is approximately 8.00 multiplied by 107 km?
Wiki User
∙ 10y ago
In free space a radio wave travels at about 300,000 kilometers per second. The speed doesn't depend on frequency.
The distance of Earth from Mars is variable.
I presume the question means a distance of 8.00 x 107 kilometers.
So, the answer is about 80,000,000/300,000 seconds.
That's about 800/3 = about 267 seconds. That's about 4 minutes and 27 seconds.
Wiki User
∙ 10y ago
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