zamień na metry na sekundy 2000 mm/h 10 mm/mm 200 dm/s

[latex]2000 mm/h = frac{ frac{2000}{1000} m }{3600 s} = 5,(5)*10^{-4} m/s\ 200 dm/s = frac{ frac{200}{10} }{1 s} = 20 m/s [/latex] [latex]10 mm/min = frac{ frac{10}{1000} m }{60 s} = 1,(6)*10^{-4} m/s [/latex]

1 mm = 0,001 m 1 h = 60 min  1 dm =0, 1 m  1 min = 60 s  stąd:  [latex]2000 frac{mm}{h} = 2000 frac{0,001 m}{3600s} =0,00055 m/s [/latex] [latex]10 frac{mm}{min} = 10 frac{0,001mm}{60 s} = 0,00016 m/s [/latex] [latex]200 frac{dm}{s} =200 frac{0,1 m}{s} =20 m/s[/latex]