Problem M. 275. (January 2007)
M. 275. Let a small disc of magnet slide along a long inclined plane made of aluminum. Measure the speed of the disc when it is uniform as a function of the angle of inclination of the slope. Determine the coefficient of kinetic friction.
Deadline expired on February 12, 2007.
16 students sent a solution. 6 points: Láng Marcell, Pásztor Árpád, Pósa László, Roósz Gergő. 5 points: Kőrösi Márton, Meszéna Balázs, Rárósi Dávid, Székely Gergely, Szél Péter, Tüzes Dániel, Vida György. 4 points: 3 students. 3 points: 1 student. 2 points: 1 student.