SOLUTION: the time between a flash of lighting and the sound of thunder is 9 seconds. How far away is the lighting

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Question 574566: the time between a flash of lighting and the sound of thunder is 9 seconds. How far away is the lighting
Answer by Alan3354(69443) About Me  (Show Source):
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the time between a flash of lighting and the sound of thunder is 9 seconds. How far away is the lighting
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9 times the speed of sound (in feet or meters per second)
The speed of sound varies with temperature, it's ~ 1000 to 1100 ft/second
9*1000 = 9000 feet