Предмет: Физика, автор: КапКап999

Транспортер за 1 ч поднимает 30 м3 песка на высоту 6 м. Вычислите необходимую для этой работы мощность двигателя. Плотность песка 1500 кг/м3

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Автор ответа: nocturne1

44

m=p(плотность)•V=1500•30=45000кг
А=F•S=mg•S=45000•10•6=2700000Дж
N=A:t=2700000:3600=750Вт

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