February 2019 0 12 Report
1. Samochód o masie m1 = 1000 kg, jadący z prędkością v1 = 108 km/h, zderzył się z autobusem jadącym z przeciwka z prędkością
v2 = 72 km/h o masie m2 = 10 000 kg. Po zderzeniu oba pojazdy poruszały się razem.
a) Jaka była ich wspólna prędkość v tuż po zderzeniu?
b) Oblicz, ile energii E zostało zamienione na ciepło podczas zderzenia
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