Предмет: Физика, автор: VikaaKomarova

Помогите решить задачку пожалуйста!!!

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Автор ответа: fatt52

0

P=150*10^3 Вт

h=15 м

t=60 c

m=5*10^3 кг

η=?

η=m*g*h/(P*t)=5*10^3*10*15/(150*10^3*60)=0.83 (83%)

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Автор ответа: VikaaKomarova

0

^ это разделить???

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