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An internal combustion engine has an efficiency of 22.3%. This engine is used to deliver 6.25x 40 J of work to drive the motion of the train. What is the total energy that needs to be put into the engine?

User Spevy
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1 Answer

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Answer:

Step-by-step explanation:

efficiency = energy output x 100 / energy input

putting the values

22.3 = 6.25 x 10⁴ x 100 / energy input

energy input = .28 x 10⁶

= 28 x 10⁴ J

energy that needs to be put into the engine = 28 x 10⁴

User Mahesh Jamdade
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