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August 22, 2014

Homework Help: Physics

Posted by Sara on Tuesday, December 15, 2009 at 2:08pm.

suppose that you wish to determine how far away from your position lightning has struck. the thunder that results from lightning expands outward in all directions at a constant speed (you may assume 343 m/s at 20C). when counting seconds between the time you see the lightning and the time you hear the thunder, what should you divide by (to three significant figures) to determine the number of miles away the lightning has struck?

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