September 2018 1 12 Report
Aneta o masie 35 kg stojac na lyzwach na sliskim lodzie pchnela przed siebie sanki o masie 3,5 kg nadajac im predkosc 6 m/s. oblicz wartosc predkosci z jaka poruszala sie aneta jesli opory ruchu zaniedbujemy ...??

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