Observations: Pulses and wave motion and Mathematical descriptions of a wave
Assume that the speed of sound in air is 340 m/s for all of these problems unless stated otherwise.
Lightning and thunder You see a flash of lightning, and 2.4 s later you hear thunder coming from the same location. (a) Why is there this long delay? (b) How far away did the lightning flash occur? Justify any assumptions you make in your calculations.
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