Odpowiedź:
1.
s-60km
t 2h
V= s:t
V= 60km: 2h= 30km/h
2.
s 300km
t 30min
V = 300km: 30min= 10km/min
3.
s 20m
t 10s
V= 20m: 10s= 2m/s
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Odpowiedź:
1.
s-60km
t 2h
V= s:t
V= 60km: 2h= 30km/h
2.
s 300km
t 30min
V = 300km: 30min= 10km/min
3.
s 20m
t 10s
V= 20m: 10s= 2m/s