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un mobil cu viteza=2,5 m\s si timpul=2 minute.Ce dstanta a parcurs?urgenty

Răspuns :

Vm=distanta/timp
2min=120s
distanta=Vm*timp<=>d=300m


[tex]d\rightarrow distanta\ (masurata\ in\ metri) \\ v\rightarrow viteza\ (masurata\ in\ m/s) \\ t\rightarrow timpul\ (masurat\ in\ secunde) \\ t=2\ minute=2\cdot60\ secunde=120\ s \\ v= \frac{d}{t}\Rightarrow d=v\cdot t=2,5\cdot120 =300\ m[/tex]