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F = 40000 N
V = 36 km/h = 10m/s
m = 600000000g = 600 000 kg
szukane :
t =?
rozw
a= F/m
[a] = [N/m] = [m/s²]
a = 40000/600000
a = 0.0(6) ≈ 0.07m/s²
a = V/t
t = aV
[t] = [m/s² / m/s]= [s]
t = 0.0(6) *10 = 0,(6) ≈0,7 s