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21-05-2023
Physics

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En 1969, un miroir a été déposé sur la Lune. Un faisceau laser fut envoyé depuis la Terre vers ce miroir, il
mit 2,56 secondes pour revenir sur Terre. En déduire la distance entre la Terre et la Lune. SVP C'EST POUR DEMAIN MERCI D'AVANCE

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