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La campionatele mondiale de la tokyo (1991) carl lewis a stabilit recordul mondial la 100m plat,parcurgand aceasta distanta in 9,68s.Calculeaza viteza medie in m/s si in km/h

Răspuns :

d=v*t
v=[tex] \frac{d}{t} [/tex]=[tex] \frac{100}{9,68} [/tex]=10,3305[tex] \frac{m}{s} [/tex]=10,3305*3,6=37,1898 [tex] \frac{km}{h} [/tex]