Problem P. 4616. (March 2014)
P. 4616. Rowers training on Tisza, begin rowing 1.5 hours before the dusk. The speed of the water is 3.6 km/h, and the speed of the rowing boats is 6 m/s with respect to the water. How far from their departure can they row, if they have to arrive back to the dusk?
Deadline expired on April 10, 2014.
Sorry, the solution is available only in Hungarian. Google translation
Megoldásvázlat. 15,75 km.
118 students sent a solution. 3 points: 94 students. 2 points: 13 students. 1 point: 6 students. 0 point: 5 students.