Odpowiedź:
1. s= v*t
3h:
s= 40km/h * 3h = 120km
pół godziny:
s= 40km/h * 0,5h = 20km
kwadrans:
s= 40km/h * 0,25h = 10km
2.
5m - 2min
7,5m - 3min
50cm - 1,25min
1m - 2min
200cm - 4 min
150cm - 3 min
3.
s=v*t = 30km/h * 5h = 150km
v= s/t = 48/4 =12m/s
t= s/v = 75/15= 5min
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Odpowiedź:
1. s= v*t
3h:
s= 40km/h * 3h = 120km
pół godziny:
s= 40km/h * 0,5h = 20km
kwadrans:
s= 40km/h * 0,25h = 10km
2.
5m - 2min
7,5m - 3min
50cm - 1,25min
1m - 2min
200cm - 4 min
150cm - 3 min
3.
s=v*t = 30km/h * 5h = 150km
v= s/t = 48/4 =12m/s
t= s/v = 75/15= 5min
Szczegółowe wyjaśnienie: