An electric motor uses 670 kJ of electrical energy to generate 595 kJ of mechanical kinetic energy. What is the efficiency of the motor? Full example, please... Thank you!

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asked Aug 10, 2023 196k views

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An electric motor uses 670 kJ of electrical energy to generate 595 kJ of mechanical kinetic energy. What is the efficiency of the motor?

Full example, please...
Thank you!

Physics
high-school

Abhshkdz asked

by Abhshkdz

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Used energy=595KJ
Total energy=670KJ

Efficiency:-

$\\ \tt\longmapsto \frac{595}{\cancel{670}}* \cancel{100}$

$\\ \tt\longmapsto (595)/(67)* 10$

$\\ \tt\longmapsto 8.88(10)$

$\\ \tt\longmapsto 88.8\%$

Apirogov answered Aug 16, 2023

by Apirogov

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