September 2018 1 11 Report

Pocisk o masie m = 0.05kg uderza w deskę o grubosci d = 0.05m z szybkoscia v1 = 500m/s, przebija ja i wylatuje z niej z szybkoscia v2 = 300m/s. Wyprowadz wzor na wartosc sredniej sily oporu deski i oblicz wartosc tej sily.


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