Question

Transforme em m/s:

18km/h
54km/h
900km/h
1400km/h

Answer 1

km/h =1000m/3600 s =0,2777... m/s =1/5 +7/90 =(125)/450=5/18

18km/h  =18 * 5/18 m/s= 5 m/s
54km/h  =54 * 5/18 m/s = 15 m/5
900km/h  =900* 5/18 m/s  =250 m/s
1400km/h  =1400 * 5/18 m/s =388,89 m/s