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What energy changes take place when you operate a jet-ski?

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1 This might help answer some questions. Electrical energy to heat and kinetic energy essentially – RhysW Apr 16 '13 at 12:58
What have you thought about so far? – Dmitry Brant Apr 16 '13 at 13:02
Questions are expected to show research effort. If this is homework, please use the homework tag. – Ben Crowell Jun 15 '13 at 18:10
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