Предмет: Физика, автор: ТАНЮШКА070797

Какова полезная мощность подъемника, поднимающего ведро массой 12 кг на высоту 16 м за 7с.? 

Ответы

Автор ответа: iDaredevil
0

N=A/t

A=mgh

N=mgh/t

N=274.3 Ватт

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