Answer to Question #199226 in Electricity and Magnetism for Coco Yang

Question #199226

A 440 W fan uses a motor to spin the 3.8 kg blades up to a speed of 21 m/s in 3.3 s using this electrical input, what is the efficiency of the motor?


1
Expert's answer
2021-05-27T10:06:53-0400
Dear Coco Yang, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order

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