Mathematical and Physical Journal
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Problem M. 346. (December 2014)

M. 346. Roll a solid cylinder along different horizontal surfaces, such that it rolls without skidding. According to the measured data determine the coefficient of kinetic friction of that object which would have the same acceleration as the centre of mass of the cylinder, and which would slide without rotation along the horizontal.

(6 pont)

Deadline expired on January 12, 2015.


Statistics:

20 students sent a solution.
6 points:Asztalos Bogdán, Balogh Menyhért, Berta Dénes, Csathó Botond, Fekete Panna, Holczer András, Nagy Gergely, Olosz Balázs, Plaszkó Noel, Sal Kristóf.
5 points:Boldizsár Bálint, Frim Bálint, Hegyi 555 Anna, Horváth Sebestyén Lénárd, Szentivánszki Soma .
4 points:4 students.
3 points:1 student.

Problems in Physics of KöMaL, December 2014