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manon2838
@manon2838
September 2022
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Exercice 2:
Combien de temps la lumière met elle pour nous parvenir de la nébuleuse de l'Aigle distante
d'environ 6,6.10 19m ?
Donnée: Vitesse de la lumière: 3,00.108 m.s¹.
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Artemiss4
La formule de la vitesse, est v = d/t
la, ce que tu recherches c’est le t, vu que
d = 66 • 10puissance19 m
v = 3 • 10puissance8 m/s-1
Donc il suffit de faire une mini équation pour inverser la formule. V = d/t devient donc t = d/v
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la, ce que tu recherches c’est le t, vu que
d = 66 • 10puissance19 m
v = 3 • 10puissance8 m/s-1
Donc il suffit de faire une mini équation pour inverser la formule. V = d/t devient donc t = d/v