October 2018 2 12 Report

Oblicz mase samochodu wiedzac ze uniesiono go na ramieniu dzwigni o dlugosci 25m dzialaja one na ramie o dlugosci 250 wsila 850N

2/jaka prace wykonal silnik windy o maie 750kg na wsokascia 20m w czasie 10s oblicz moc tego silnika

3/pompa o mocy 10kw wykonala prace w czasie 5min o wartosci 2,25mj oblicz sprawnosc pompy


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