The quickest path - Colegiul National Mihail Eminescu (Satu Mare - Roumanie) Lycée Aristide Briand (Gap)

Titre du sujet
The quickest path
Établissement
Colegiul National Mihail Eminescu (Satu Mare - Roumanie)
Année
2016-2017
Etablissement(s) jumelé(s)
Lycée Aristide Briand (Gap)
Résumé
You're on the beach and you throw a stick in water.
Your dog will run to catch the stick.
Of course, the speed of running on the beach is different from the one of swimming through the water.
What is the fastest path that your dog can reach the stick?
Mots clés