Mathematical and Physical Journal
for High Schools
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Problem P. 4836. (April 2016)

P. 4836. Two uniform rods of equal mass are carefully placed next to a vertical wall horizontally such that one is on the top of the other as shown in the figure. Then the two rods are released. What will the ratio of the greatest speeds of the rods be if the radius of the above rod is just a tiny bit smaller than that of the bottom one? (Friction is negligible everywhere.)

(5 pont)

Deadline expired on May 10, 2016.


20 students sent a solution.
5 points:Asztalos Bogdán, Balogh Menyhért, Bekes Nándor, Di Giovanni András, Fekete Balázs Attila, Forrai Botond, Ghada Alshalan, Iván Balázs, Kasza Bence, Németh 777 Róbert, Páhoki Tamás, Sal Kristóf, Tófalusi Ádám, Tomcsányi Gergely.
3 points:4 students.
2 points:2 students.

Problems in Physics of KöMaL, April 2016