V = 40 km / 24 h = 5/3 di km/h = 0,4630 m/s
tempo t = 1000 km / 40 km /giorno = 25,0 gg
V=40/24=1,7km/h=1,7/3,6=0,46m/s t=1000/1,7=588gg=25gg
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- Velocità media $\small v_m= \dfrac{40}{24} = 1,\overline6\,km/h → \;= \dfrac{1,\overline6}{3,6}\approx{0,46}\,m/s.$
- Tempo $\small t= \dfrac{1000}{40} = 25\,d.$