The formula M n 5 models your distance, M, in miles, from
Chapter 2, Problem 2.1.170(choose chapter or problem)
The formula M n 5 models your distance, M, in miles, from a lightning strike in a thunderstorm if it takes n seconds to hear thunder after seeing the lightning. Use this formula to solve Exercises 6768. If you are 2 miles away from the lightning flash, how long will it take the sound of thunder to reach you?
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