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Kapitel 3: Krafter

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Rörelseenergi<br />

Många problem som verkar svåra visar<br />

sig vara enkla att lösa med<br />

energiresonemang<br />

Rörelseenergi: E k=1/2·mv 2<br />

Lägesenergi: E p=mgh<br />

Arbete: W=F·s

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