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p=140000m/3600s * 1300kg
p=50555,6kg*m/s
1,3t=1300kg
p=38,8m/s*1300kg
p=50440m/s*kg
v=140km/h
140km/h=140*1000m/3600s=38,8m/s
m=1,3t=1300kg
Szukane:
P=?
Wzór:
P=m*v
p= 38,8m/s * 1300kg = 50440kg*m/s
odp. p= 50440kg*m/s