Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?
I want the old design back!!! :-)

Problem P. 3843. (November 2005)

P. 3843. A small pearl can move without friction along a circular rigid ring. the radius of the ring is R. Find the possible position of the pearl on the ring if the ring is rotated with an \omega angular velocity about its vertical diameter. Examine the stability of the pearl.

(5 pont)

Deadline expired on December 12, 2005.


Statistics:

64 students sent a solution.
5 points:Filep Tamás, Filep Tibor, Hasznos László, Károlyi Márton, Kruppa Gergő, Matulik Gábor, Nagy 224 Csaba, Nagy 317 Péter, Nyíri Dávid Ákos, Pósa László, Szolnoki Lénárd, Szűcs Gergely, Tóth 324 Gábor, Werner Miklós.
4 points:Blázsik Zoltán, Csire Gábor, Enczel Dávid, Engedy Balázs, Erdély Attila, Farkas Ádám László, Fülöp Bálint, Máté István Mátyás, Megyeri Balázs, Molnár 811 Kristóf, Nagy 555 Zoltán, Pálovics Róbert, Pásztor Árpád, Pásztor Attila, Széchenyi Gábor, Székely Gergely, Takács 484 Marcell, Takátsy Balázs, Tornyai Árpád, Tűri Balázs.
3 points:14 students.
2 points:6 students.
1 point:8 students.
0 point:2 students.

Problems in Physics of KöMaL, November 2005