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2010-03-10T08:22:12+01:00
Dane:
s = 200m
t = 20s
v = ?
a = ?

s = at²/2
a = 2s/t² = 2 *200m/(20s)² = 1m/s²

a = v/t
v = at = 1m/s2 * 20s = 20m/s