Odpowiedzi

2010-02-26T13:33:27+01:00
T=6,28s
V=2πr/T
r=vT:2π
r=10m/s×6,28s:6,28
r=10m
2010-02-26T13:35:05+01:00
S=V*t
S=10m/s*6,28s=62,8m

2πr=62,8m |:2
πr=31,4m |:π
3,14r=31,4m |:3,14
r=10m