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Meccanica

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Esercizio – Trovare il lavoro necessario a fermare un corpo di massa 2 Kg,che procede alla velocità di 8 m/s.Soluzione –————————————L =-½ m v 2 ini2 =-0.5 × 2 × 8 2 =-64 J.[perché “-” ?]Paolo Bagnaia - CTF - 1 - Esercizi di meccanica ♠ 30

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