QuestionLa distance de freinage $d$ d'un véhicule est-elle proportionnelle à $v$ ou à $v^2$ avec $d(v)=0,005 v^{2}$?

Studdy Solution
Looking at the given function $d(v)=0,005 v^{2}$, we can see that $d$ is indeed equal to $0,005v^{2}$. Therefore, the braking distance is proportional to the square of the speed.
In conclusion, the braking distance is not proportional to the speed, but it is proportional to the square of the speed.