Odpowiedzi

2010-04-12T18:56:18+02:00
A=V/t
V = 100km/h czyli 1*100000m/3600s = 28 m/s
a=100km/h / 5s
a= 5,6 m/s

lub

a=Δv/Δt
Δt = 5 s
Δv=Vk-Vp
100 km/h=100000/3600 = 27,8 m/s
a=27,8/5=5,56 m/s²
7 3 7
2010-04-12T18:56:47+02:00
V=100km/h= 250/9m/s
t=5s

a=v/t

a=50/9 m/s2
3 4 3