Mathematical and Physical Journal
for High Schools
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I want the old design back!!! :-)

Problem P. 3854. (January 2006)

P. 3854. An hour-glass is placed to one of the pans of a pair of scales which is balanced while the sand trickles down. Does the equilibrium of the scales change when all the sand is in the lower chamber?

(3 pont)

Deadline expired on February 13, 2006.


Statistics:

141 students sent a solution.
3 points:Berta Katalin, Filep Tibor, Helfenbein Péter, Hotzi Bernadette, Hujter Mónika, Kecsmárszky György, Nagy 555 Zoltán, Négyesi Áron, Ölvedi Tibor, Pintér Sándor, Rárósi Dávid, Remes Kristóf Bence, Rostás Péter, Somogyi József, Soós 989 János, Szatmári Bálint, Szilágyi Zsombor, Szirmay-Kalos Barnabás, Tálosi András, Tolner Ferenc, Tóth Norbert, Tüzes Dániel, Varga Béla, Werner Miklós.
2 points:62 students.
1 point:42 students.
0 point:12 students.
Unfair, not evaluated:1 solution.

Problems in Physics of KöMaL, January 2006