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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.

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  1. arindameducationusc
    • one year ago
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    t=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)

  2. mtimko
    • one year ago
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    How did you know to use speed of light?

  3. arindameducationusc
    • one year ago
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    radio signals are Electromagnetic waves, Even light is Electromagnetic waves. You will get your answer.....Sure.... @mtimko

  4. arindameducationusc
    • one year ago
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    If it was useful, don't forget to medal.... and fan....

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