Odpowiedzi

2010-01-25T18:04:05+01:00
V₂ = ?
Δv = ?
v₁= 54 [km/h]
a = 2 [m/s²]
t = 20 [s]
Δv = a*t
Δv = 2*20
Δv = 40 [m/s]

40 [m/s] * 3,6= 144 [km/h]

v₂ = v₁+Δv = 54+144 = 198 [km/h]


Ale głowy za to nie dam :):)