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dolbaeb2k00
dolbaeb2k00
17.01.2020 23:37 •  Физика

*найдите работу насоса по подъему 200 л воды с глубины 10 м. плотность воды 1000 кг/м^3.

👇
Ответ:
Найдите работу насоса по подъему V=200 л=0,2 м3 воды с глубины h=10 м. Плотность воды p=1000 кг/м^3. A- ?

А= m*g*h=p*V*g*h=0,2*1000*10*10=20000 Дж=20 кДж
4,7(48 оценок)
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Ответ:
Marcelyn
Marcelyn
17.01.2020

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4,6(70 оценок)
Ответ:
Marvarick
Marvarick
17.01.2020

Дано: t=90 с. N=45                                                                                              T-?                                                                                                                     розв язання: T=t/N=90c/45=2                                                                             відповідь: T=2                                                                                                       уточнение: там где стоит / это разделить (в задаче вместо этого знака нужно ставить нижний прочерк)

Объяснение:

4,6(30 оценок)
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