Établissement
Colegiul National Mihail Eminescu (Satu Mare - Roumanie)
Année
2018-2019
Résumé
A lifeguard on the beach sees a victim in a calm water (lake/sea). We know the distance
between the position of the lifeguard and the shore, his speed on the beach, and the distance
between the point where the victim is and the shore, as well as the lifeguard’s speed in the
water. What is the fastest path of lifeguard to reach the victim ?
between the position of the lifeguard and the shore, his speed on the beach, and the distance
between the point where the victim is and the shore, as well as the lifeguard’s speed in the
water. What is the fastest path of lifeguard to reach the victim ?
Mots clés
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