Предмет: Физика, автор: Аноним

Транспортер равномерно поднимает груз массой 190 кг на высоту 9 м за 50 с. Определите силу тока в электродвигателе, если напряжение в электрической сети 380 В. КПД двигателя транспортера составляет 60%.

Ответы

Автор ответа: tana20101997

кпд=m*g*h/I*U*t
I=m*g*h/кпд*U*t=190*10*9/0,6*380*50=1,5 A

Автор ответа: Аноним

Благодарю!

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