Odpowiedzi

2010-03-14T18:34:48+01:00
T = 5min = 30s
s = 1500m
V=s/t
V = 1500/30
V = 50 m/s
[V]= [m/s]
1 1 1
2010-03-14T18:36:53+01:00
S-1500m.
t-5min.=300s. v=?

v=s/t
v=1500m/300s= 5m/s

Odp. Rowerzysta jechał z prędkością 5m/s.

;]
1 5 1
2010-03-14T18:37:22+01:00
T = 5min = 300s
s = 1500m
v=s/t
v = 1500/300
v = 5 m/s