August 2018 1 19 Report
Konrad i Aneta maja jednakowe masy ciala.Postanowili zbadac swoje sily w jedzie na rowerze.Konrad w czasie 10 sec. rozpedzil rower do predkosci 15m/s , a Aneta po 5 sec. osiagnela predkosc 7m/s.Kto z nich dzialal wieksza sila ?

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