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the heat produced by 3 kg of fuel a is 50000 J the heat produced by 5 kg of fuel b is 3000 KJ which fuel is more efficient​
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the heat produced by 3 kg of fuel a is 50000 J the heat produced by 5 kg of fuel b is 3000 KJ which fuel is more efficient​

User Anton Holovin
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6 votes
Fuel a is more efficient, because a smaller amount of it generates more thermal energy.
User Antichris
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