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Aspect énergétique des phénomènes mécaniques - Exercices

Il y a 2 manières de calculer l'énergie W : a) Energie cinétique Wcin = ½ m v2 = ½ 1200 * 33.33² = 666'666 J b) Chaleur perdue lors du freinage Q = Ffr*d = 6600 ...

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