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un mobil merge cu 1,2 km/h asa ca transformati in m/s

Răspuns :

[tex]1,2km/h=\frac{1200m}{3600s}=0,33m/s[/tex]
1km=1000m⇒0,2km=20% din 1000
[tex] 1000*\frac{20}{100}= \frac{1000*20}{100} = \frac{20.000}{100} =200[/tex]⇒1,2km=1000+200=1200m
1h=3600s

1,2km/H=[tex] \frac{1200}{3600} = \frac{1}{3} [/tex][tex]=[/tex]0,33m/s
                

Mult noroc!