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#OPYRIGHTBY(OLT2INEHARTAND7INSTON!LLRIGHTSRESERVED
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s(OWAREENERGYANDWORKRELATEDs(OWISKINETICENERGYDIFFERENTFROMPOTENTIALENERGYs7HATARESOMEOFTHEOTHERFORMSOFENERGY
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SUCHASANAMPLIFIERSHOWNINTHEFIGUREBELOWINTOANOUTLET9OUUSEELECTRICALENERGY4HEELECTRONSINTHEWIRESMOVETOTHEAMPLIFIER4HEMOVINGELECTRONSDOWORKONTHESPEAKERINTHEAMPLIFER4HISMAKESTHESOUNDTHATYOUHEARFROMTHEAMPLIFIER%LECTRICALENERGYHASBOTHKINETICENERGYANDPOTENTIAL
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