Odpowiedzi

2010-03-21T22:11:06+01:00
2010-03-21T22:13:55+01:00
Dane :
a=2 m/s²
t = 5s
Vch = Δs/Δt

s = at²/2
s = 2 m/s² * 5s² /2
s = 25m

Vch = 25m/5s = 5m/s
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