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La Conservazione dell'Energia Meccanica...

Durante il moto di un sistema fisico senza attriti l'energia meccanica totale del sistema, somma dell'energia cinetica e potenziale, si conserva!

Per il teorema dell'energia cinetica:

Kf - Ki = Wif

Per la variazione dell'energia potenziale:

Wif = Ui - Uf

Allora: Ui - Uf = Kf - Ki


Ui + Ki = Uf + Kf

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Energia

By irecanca