Răspuns :
t=0,5h
v=40km/h
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d=?
[tex]v = \frac{d}{t} [/tex]
d=v×t=0,5h×40km/h=20hm/h
v=40km/h
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d=?
[tex]v = \frac{d}{t} [/tex]
d=v×t=0,5h×40km/h=20hm/h