SOLUTION: How much time elapses between seeing and hearing an event that occurs 400.0 meters from you?

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Question 1120206: How much time elapses between seeing and hearing an event that occurs 400.0 meters from you?
Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
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The light moves VERY fast, so we neglect the time required for the light to cover this distance.



For the sound, the speed in the air (at 20° C) is 343 m/s;

so to find the delay of the sound, divide the distance of 400,0 meters by 343 m/s.



It will give the answer to you.