Combien de temps met on pour apercevoir un éclair a 6 km sachant que la vitesse de la lumière fait 300 000 m/s ?

Merci :)

By: USER9246
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Combien de temps met on pour apercevoir un éclair a 6 km sachant que la vitesse de la lumière fait 300 000 m/s ?

Merci :)
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Answer (134)

Best Answer
(156)
V = d / t     6km=>6000m  attention la vitesse de la lumiére = 300 000 km/s

t = d / V  = 6000 / 300 000 000 =0.000 02 s
Answered on 27 Agustus 2025
(72)
l faut faire la regle du Temps / Distance .. tu trouvras
Cdlt
Answered on 27 Agustus 2025

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