Physics, 01.04.2021 16:50 tinasidell1972

Au cours d'un orage le bruit de tonnerre met 7 secondes pour parvenir aux oreilles d'un observateur _1_ à quelle distance est tombée la foudre sachant que dans l'air le son se propage à la vitesse de 340 m/s . _2_ quel est le temps mis par la lumière de l'éclair pour franchir cette distance à l'aide de chronomètre courants

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Au cours d'un orage le bruit de tonnerre met 7 secondes pour parvenir aux oreilles d'un observateur...

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