Question

D=30km (distanță)
V=50km/h (viteză)
t=?(timp)
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Answer 1

$d=30 \ km \\ \vec{v}=50 \ km/h \\ \vec{v}=\frac{d}{t} \ \ \Rightarrow \ t=\frac{d}{\vec{v}}=\frac{30 \ km}{50 \ km/h} \\ \Rightarrow \boxed{t=0,6 \ s}$