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s = a * t kwadrat
wiec a = s/t kwadrat
wiec
V = s*t / t kwadrat wiec V = s/t
V = 200/20 = 10 m/s
s = 200m
t = 20 s
a = v/t
a = s/t / t
a = s/t²
a = 200 / 20²[m/s²]
a = 0,5 m/s²
v = at
v = 0,5 *20 [ m/s² * s = m/s]
v = 10 m/s
s = 200m v = ?
t = 20 s a= ?
a = v/t a = s/t / t a = s/t²
a = 200 / 20²[m/s²] a = 0,5 m/s²
v = at v = 0,5 *20 [ m/s² * s = m/s]
v = 10 m/s
Odp :Samochód uzyskał prędkość 10 m/s po czasie 20 sekund .