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mtimko
 one year ago
How long (in s) does it take for a radio signal from the earth to reach an astronaut on the moon? The distance from the earth to the moon is 2.4 x 105 mi.
mtimko
 one year ago
How long (in s) does it take for a radio signal from the earth to reach an astronaut on the moon? The distance from the earth to the moon is 2.4 x 105 mi.

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arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.1t=s/c where t= time taken (we need to find) s=2.4*105 miles (convert to meters) c=speed of light(3*10^8)

mtimko
 one year ago
Best ResponseYou've already chosen the best response.0How did you know to use speed of light?

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.1radio signals are Electromagnetic waves, Even light is Electromagnetic waves. You will get your answer.....Sure.... @mtimko

arindameducationusc
 one year ago
Best ResponseYou've already chosen the best response.1If it was useful, don't forget to medal.... and fan....
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