c'est des mathématiques merci en avance.... Pergunta de ideia dealeknightsalinas

aleknightsalinas @aleknightsalinas

April 2021 1 84 Report

c'est des mathématiques merci en avance

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Thomas756

Bonsoir,

a)

$1 \ pc = 3,2616 \ al = 3,2616 \times 10^{4}\times 10^{9} \ km = 3,2616.10^{13} \ km$

b)

$1 \ pc = 3,2616.10^13 \ km \Leftrightarrow 1 \ km = \frac{1}{3,2616.10^{13}} \ pc = 3,0660.10^{-14} \ pc$

c)

$1,316 \ pc = 1,316 \times 3,2616 \ al = 4,292 \ al$

La lumière prendre 4,292 années pour faire le trajet.

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