zamien jednostki predkosci A: 18km/h=..............m/s B. 30 m/s=...... km/h C. 200 m/min..........m/s D. 20km/s=.........m/s Potrzebuje na wtorek
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A: 18km/h = 5m/s
B: 108km/h
C: 3,(3)m/s
D: 20 000m/s
18km/h=5m/s
B. 30 m/s=108km/h
C. 200 m/min=3 i 1/3.m/s
D. 20km/s=20000m/s