Odpowiedzi

2010-03-27T15:31:00+01:00
A = ΔV:t
t = ΔV:a

ΔV = 200m/s-50m/s
ΔV = 150m/s

a = -3m/s²

t = 150m/s:3m/s²
t = 50s
2010-03-27T15:35:20+01:00
Dane Szukane Wzory
vp = 200m/x t=? a=Δv/t
vk=50m/s t=Δv/a
a=-3m/s²

t= (50m/s - 200m/s) : - 3m/s² = 50s