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Stiind ca viteza unui automobil este ee 25 m/s determina timpul in care acesta a parcurs distanta de 60 km

Răspuns :

Transformam: 60km = 60000metri v=d/t (d÷t) => t= d/v t=60000m/25m/s= 2400s
25m/s=90km/h; t=d/v=0,(6)h=40min=2400s