Posted by anand on Tuesday, August 30, 2011 at 12:36am.
the speed of light is 300,000,000 meters per second. 4x10 to the 8th is 400,000,000 meters. distance divided by the speed of light gives you the answer, 400 million divided by 300 million equals 1.33, therefor it would take 1.33 seconds for the signal to get to the moon.
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