# Physics

posted by Matt

What is the time lapse between seeing the lightning strick and hearing the thunder 17 km away

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1. ### physics

Lightening is an atmospheric discharge of electricity accompanied by thunder, which typically occurs during thunderstorms. How much time will elapse between seeing lightening and hearing the thunder happening 8000 m from you?
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How much time will elapse between seeing lightening and hearing the thunder happening 8000 m from you?
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In a lightning storm, the number of seconds between the flash and the bang varies directly with the number of miles you are from the lightning. It takes 15 seconds for the thunder sound to reach you from lightning that is 3 miles away. …
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There is proportional relationship between your distance from a thunderstorm and the time from when you see lightning and hear thunder. If there are 9 seconds between lightning and thunder, the storm is about 3 kilometers away. If …
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There is a proportional relationship between your distance from a thunderstorm and the time from when you see the lightning and hear the thunder. If there are 9 seconds between the lightning and thunder, the storm is about 3 kilometers …
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Can measuring the time between seeing the lightning and hearing the thunder really tell you how far away the lighting struck?

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