Odpowiedź:
[tex]1 \ km=1000 \ m\Longrightarrow1 \ m=\frac{1}{1000} \ km\\\\1 \ h=3600 \ s\Longrightarrow1 \ s=\frac{1}{3600} \ h\\\\200 \ \frac{m}{s}=200\cdot\frac{\frac{1}{1000} \ km}{\frac{1}{3600} \ h}=(200\cdot\frac{3600}{1000}) \ \frac{km}{h}=(200\cdot3,6) \ \frac{km}{h}=720 \ \frac{km}{h}[/tex]
Zatem 200 m/s to 720 km/h.
