Odpowiedzi

2009-11-18T17:20:48+01:00
S = s₀ + V₀t + 0,5at²
s₀ = 0
V₀ = 0
s = 0,5at²
V = at
t = V/a
s = 0,5a(V/a)² = 0,5a*V²/a² = 0,5V²/a
a = 1,9g = 1,9*10m/s² = 19m/s²
V = 100km/h = 100*1000/3600 m/s ≈ 27,8 m/s
s = 0,5 * 27,8²/19 ≈ 20,34m
1 5 1