Odpowiedzi

2009-11-11T14:41:10+01:00
T = 10 s
s = 100 m
v = ?

s = at²/2
a = 2s/t²
a = 2×100/10² = 2 m/s²

v = at
v = 2 × 10 = 20 m/s
2009-11-11T15:05:53+01:00
S=at²/2 → a=2s/t²
a=2×100m/10²s
a=200m/100s
a=2m/s²

v=at
v=2m/s²×10s
v=20m/s