Mathematical and Physical Journal
for High Schools
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Problem P. 3918. (October 2006)

P. 3918. A beam of mass M and of length l is attached to a pivot hinge where the friction is negligible as shown in the figure. At 3 of the beam a spring is attached to it and its other end is connected to the wall. (The spring has a spring constant D and it can both pull an push.) Find the period of the beam for small displacements.

(5 pont)

Deadline expired on November 13, 2006.


Statistics:

47 students sent a solution.
5 points:Almási 270 Gábor András, Almasi Susann Melinda, Balogh Máté, Blázsik Zoltán, Csobo Elek, Danka Miklós András, Deli Gábor, Dudás János, Erdély Attila, Farkas Ádám László, Fülöp Bálint, Gresits Iván, Hasznos László, Hlatky Dávid, Iván Dávid, Lovas Lia Izabella, Megyeri Balázs, Nagy 224 Csaba, Nyíri Dávid Ákos, Pázmán Koppány, Pósa László, Szabó 001 Áron, Szilágyi Zsombor, Takátsy Balázs, Tolnai Gábor, Tüzes Dániel, Varga Bonbien.
4 points:Berta Katalin, Drozdy András, Németh Dorián, Pálovics Róbert, Rárósi Dávid, Roósz Gergő, Szolnoki Lénárd, Tamási Alexandra, Tolner Ferenc, Werner Miklós.
3 points:2 students.
2 points:5 students.
1 point:1 student.
0 point:2 students.

Problems in Physics of KöMaL, October 2006