Problem M. 276. (February 2007)
M. 276. Measure how the time while the sand runs to the bottom bulb of an hourglass change if you vary the angle between the symmetry axis of the hourglass and the vertical.
Deadline expired on March 12, 2007.
21 students sent a solution. 6 points: Láng Marcell, Meszéna Balázs, Pósa László, Roósz Gergő, Tüzes Dániel. 5 points: Fialowski Melinda, Kőrösi Márton, Mészáros 639 Ágnes, Szél Péter. 4 points: 8 students. 3 points: 3 students. 2 points: 1 student.