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Activité sur Conservation énergie mécanique ou non
vendredi 23 mai 2014, par
Une interrogation sur la conservation de l’énergie mécanique à partir de l’exemple du barrage hydroélectrique) qui débouche sur une proposition de TP sur la chute d’un objet (laissé au choix) afin de vérifier si oui ou non l’énergie mécanique de cet objet se conserve au cours du temps.
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