Mathematical and Physical Journal
for High Schools
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Problem M. 330. (February 2013)

M. 330. Investigate how balls of different radii, and possibly made of the same material (for example glass or bearing balls), roll along slopes which are covered by some soft, elastic material like foam rubber. Determine the percentage value of the loss in the kinetic energy with measurement.

(6 pont)

Deadline expired on March 11, 2013.


22 students sent a solution.
6 points:Agócs Fruzsina, Horicsányi Attila, Kollarics Sándor, Olosz Balázs, Szabó 928 Attila.
5 points:Asztalos Bogdán, Barta Szilveszter Marcell, Hegyi 555 Anna, Holczer András, Juhász Péter, Nagy Gergely.
4 points:3 students.
3 points:4 students.
2 points:1 student.
1 point:3 students.

Problems in Physics of KöMaL, February 2013