η=Nt/mq. ηmq=Nt. N=ηmq/t.
N=0,21•9•42000000/34•60=79380000/2040= 38 911,7647Вт≈38911,8Вт=38,9118 кВт
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η=Nt/mq. ηmq=Nt. N=ηmq/t.
N=0,21•9•42000000/34•60=79380000/2040= 38 911,7647Вт≈38911,8Вт=38,9118 кВт