Odpowiedzi

2010-01-10T12:31:12+01:00
Dane:
V₀ = 0
V = 20 m/s
t = 5s
Rozw.:
S = at²/2
a = ΔV/t = V - V₀ /t
skoro V₀ = 0
to
a = V/t = 20 [m/s] / 5s = 4 [m/s²]
S = at²/2 = 4 [m/s²] × (5s)² / 2 = 50m
1 4 1