Atmospheric electrical discharge occurred at a distance of 1.7 km from the observer. in how many minutes the observer will hear the sound of thunder.
To find the duration of the motion of the sound of thunder to the indicated observer, we use the formula: t = S / Vsv.
Variables: S is the distance between the indicated observer and the atmospheric electric discharge (S = 1.7 km = 1.7 * 10 ^ 3 m); Vsv is the speed of sound in air (Vsv = 331 m / s).
Calculation: t = S / Vsv = 1.7 * 10 ^ 3/331 = 5.136 s.
Answer: The specified observer should hear the sound of thunder in 5.136 s.
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