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m1=50kg
m2=3kg
v2=2m/s
szukane:
v1=?
rozwiazanie
v1=m2.V2/m1
V1=3kg.2m/s /50kg
V1=5m/s /50kg
V1=5m/s
odp:Lyżwiarz uzyskal predkosc 5m/s