Problem P. 4017. (November 2007)

P. 4017. A tube of external diameter 2R and of unknown width is hanged by two threads of length $\ell$ as shown in the figure. If the tube undergoes torsion oscillatory motion, the period T of the motion can be measured. Find the width of the wall of the tube.

(5 pont)

Deadline expired on December 11, 2007.

Statistics:

43 students sent a solution.

5 points: Almási 270 Gábor András, Bartha Zsolt, Beregi Richárd József, Berta Katalin, Blázsik Zoltán, Budai Ádám, Csengeri Béla, Deli Gábor, Fonyó Dávid, Földes Tamás, Gacsályi Kinga, Iván Dávid, Kovács 235 Gábor, Krämer Zsolt, Kuzmich Ambrus, Márkus Bence Gábor, Pásztor Ádám Viktor, Subhrashis Guha Niyogi, Szabó 895 Dávid, Szolnoki Lénárd, Túri Attila.

4 points: Bali-Papp Donát, Boros Csanád Örs, Fekete István, Harsányi Szabolcs, Hartstein Máté, Hlatky Dávid, Hofecker Andor, Horváth 001 Bence, Lovas Lia Izabella, Rárósi Dávid, Tószegi Károly.

3 points: 5 students.

2 points: 4 students.

1 point: 1 student.

Unfair, not evaluated: 1 solutions.

Problems in Physics of KöMaL, November 2007

43 students sent a solution.
5 points:	Almási 270 Gábor András, Bartha Zsolt, Beregi Richárd József, Berta Katalin, Blázsik Zoltán, Budai Ádám, Csengeri Béla, Deli Gábor, Fonyó Dávid, Földes Tamás, Gacsályi Kinga, Iván Dávid, Kovács 235 Gábor, Krämer Zsolt, Kuzmich Ambrus, Márkus Bence Gábor, Pásztor Ádám Viktor, Subhrashis Guha Niyogi, Szabó 895 Dávid, Szolnoki Lénárd, Túri Attila.
4 points:	Bali-Papp Donát, Boros Csanád Örs, Fekete István, Harsányi Szabolcs, Hartstein Máté, Hlatky Dávid, Hofecker Andor, Horváth 001 Bence, Lovas Lia Izabella, Rárósi Dávid, Tószegi Károly.
3 points:	5 students.
2 points:	4 students.
1 point:	1 student.
Unfair, not evaluated:	1 solutions.

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