Odpowiedzi

2010-02-16T18:22:51+01:00
144 km/h = 40 m/s = 2400 m/min
144 razy 1000/3600 = 40 m/s
40 razy 60 = 2400 m/min
2010-02-16T18:26:45+01:00
144 km/h = 144 * 1000 m/ 3600 s = 40 m/s
144 km/h = 144 * 1000m/ 60 min = 2400 m/min