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An electric motor that transforms 1000 J of chemical potential energy into 975 J of kinetic energy and 25 J of wasted heat energy help pls <3
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An electric motor that transforms 1000 J of chemical potential energy into 975 J of kinetic energy and 25 J of wasted heat energy

help pls <3

User Nulle
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1 Answer

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Answer: The efficiency is 97.5% or 0/975

Explanation: Efficiency = Useful output/Total Input

975/1000 = 0.975

In this instance, 975 J is the useful output and the 1000 J is the total input so you divide Useful/Total energy

User Wyman
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