Răspuns :
[tex]36 km/h=\frac{36*1000 m}{3600 s}=\frac{36 m}{3,6 s}=10 m/s\\ 54 km/h=\frac{54*1000m}{3600 s}=\frac{54 m}{3,6s} =15 m/s [/tex]
[tex]36 km/h=\frac{36*1000 m}{3600 s}=\frac{36 m}{3,6 s}=10 m/s\\ 54 km/h=\frac{54*1000m}{3600 s}=\frac{54 m}{3,6s} =15 m/s [/tex]