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ch4aika [34]
2 years ago
9

A certain fan is capable of using 4800J of electrical energy each minute, converting 4000J of it into kinetic energy of the fan.

What is the efficiency of this fan?
Physics
1 answer:
lapo4ka [179]2 years ago
8 0

Answer:

Energy Ouput (Useful) / Total Energy Input = 4000 / 4800 = .833

E = 83%       assuming 4800 is actually input to fan

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