Asked by John
use the face that the speed of light in a vacuum is about 3.00 x10^8 m/s to determine how many kilometers a pulse from a laser beam travels in exactly eighteen hours
Answers
Answered by
bobpursley
distance=speed*time
= 3E8m/s*18hrs*3600sec/hr
= 3E8m/s*18hrs*3600sec/hr
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