Odpowiedzi

2009-11-29T14:59:19+01:00
S=at²/2s=Vt/2
t=2s/V
t=1,28m / 800m/s
t=0,0016s

s=at²/2
a=2s/t²
a=1,28/(0,0016)² = 500 000 m/s²