Question

un mobil ruleaza cu 90 km pe ora.Ce distanta strabate in 2 minute ?

Answer 1

$v=90 \ km/h =25 \ m/s\\ t=2 \ min=120 \ s \\ \boxed{d-?} \\ \bold{Rezolvare:} \\ \boxed{v= \frac{d}{t}} \Rightarrow d=v \cdot t \\ d=25 \ m/s \cdot 120 \ s \\ \Rightarrow \boxed{d= 3 \ 000 \ m=3 \ km}$