Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation

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Problem M. 280. (September 2007)

M. 280. Drop some oil to the surface of water. Plot the graph of the diameter of the patch of oil as a function of the quantity of the dropped oil.

What is the width of the oil layer spread out on the surface of water?

Examine the phenomenon at different temperatures.

(6 pont)

Deadline expired on October 11, 2007.

Statistics:

31 students sent a solution.

6 points: Balogh Máté, Karsa Anita.

5 points: Bedics Gábor, Borák Balázs Sándor, Bőle Pál, Greksza Máté Attila, Mészáros Benedek, Papp Ádám, Rárósi Dávid, Szolnoki Lénárd, Vida György.

4 points: 9 students.

3 points: 5 students.

2 points: 1 student.

1 point: 3 students.

0 point: 2 students.

Problems in Physics of KöMaL, September 2007

31 students sent a solution.
6 points:	Balogh Máté, Karsa Anita.
5 points:	Bedics Gábor, Borák Balázs Sándor, Bőle Pál, Greksza Máté Attila, Mészáros Benedek, Papp Ádám, Rárósi Dávid, Szolnoki Lénárd, Vida György.
4 points:	9 students.
3 points:	5 students.
2 points:	1 student.
1 point:	3 students.
0 point:	2 students.