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Dane:
p=2kg×m/s
m=1kg
Szukane
Ek=?
p=m×V
v=p÷m
v=2kg×m/s÷1kg=2m/s
Ek=(m×V²)÷2
Ek=(1kg×2m/s)÷2=2÷2=1J
v=p÷m
v=2kg*m/s÷1kg
v=2m/s
Ek=m*v²/÷2
Ek=(1kg*2m/s)÷2=2÷2=1J