26-03-2019
Physics

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how much chemical energy must be supplied to a car engine if we want it to produce 5000J of kinetic energy and it is 45% efficient

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leontheanteater leontheanteater

26-03-2019

Here i state the conservation of energy rule and use that to justify my answer. I showed how to manipulate percentages to get the final answer of 11000J (2sf). Hope I'm right xx

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