Предмет: Физика, автор: vygorb1970

Трактор при работе преодолевает сопротивление 39000 Н, при этом за 5 мин он проходит 0,3 км. Определить мощность, развиваемую двигателем трактора

Ответы

Автор ответа: koltakova

N = A / t - формула мощности
A = F * S - формула работы
N = F * S / t = 39000 * 300 / 5 / 60 = 39000 Вт

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