a) 2km/h = 2 1000/3600 = 5/9 m/s b) 10 km/h = 10 1000/3600 = 2 7/9 m/s c) 12km/h = 12 1000/3600 = 3 1/3 m/s d) 130 km/h = 130 1000/3600 = 36,1 m/s e) 1200 km/h = 1200 1000/3600 = 333,3 m/s
wyraź w matrach na sekundę a) prędkość 2 km/h=0,56 m/s b) 10km/h=2,8 m/s c)12 km/h=3,3 m/s 130km/h=36 m/s 1200 km/h=333,3m/s 2 wyraź w kilometrach na godzinę 12m/s= 43,3 km/h 5 m/s =18km/h 16mm/s=0,0576 km/h 150cm/s=5,4 km/h
a)2 km/h 2*1000/3600m/s=20/36=0,5m/s b) 10km/h 10*1000/3600m/s=100/36=2,7m/s c)12 km/h 12*1000/3600m/s=120/36=3,3m/s d)130km/h 130*1000/3600m/s=1300/36=36,1m/s e)1200 km/h 1200*1000/3600m/s=12000/36=333,3m/s Zad.2 12m/s= 43,3 km/h 5 m/s =18km/h 16mm/s=0,0576 km/h 150cm/s=5,4 km/h
