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cum transformi 30m pe secunda in m pe ora

Răspuns :

30 m/s =30•3600/1000 km/h=30•3,6 km/h=108 km/h

In metri pe ora:

[tex] 30\dfrac{m}{s}=30\dfrac{m}{\dfrac{1}{60\cdot 60}h}=30\dfrac{3600m}{h}=108\cdot 10^3\dfrac{m}{h} [/tex]

In kilometri pe ora:

[tex] 30\dfrac{m}{s}=30\dfrac{\dfrac{1}{1000}km}{\dfrac{1}{60\cdot 60}h}=30\dfrac{3,6km}{h}=108\dfrac{km}{h} [/tex]