Problem M. 293. (January 2009)
M. 293. Measure how the resonant frequency of a plastic ruler (or some similar object), which is fixed at one of its ends, depends on the length of the ruler.
Deadline expired on February 11, 2009.
17 students sent a solution. 6 points: Balogh Máté, Gulyás Máté, Karsa Anita, Komaromy-Hiller Szofia, Szabó 895 Dávid. 5 points: Dobos Dániel, Farkas Márton, Farsang István, Janosov Milán, Márta Zsolt. 4 points: 3 students. 3 points: 1 student. 2 points: 1 student. 0 point: 1 student. Unfair, not evaluated: 1 solution.