Mathematical and Physical Journal
for High Schools
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Problem P. 3804. (May 2005)

P. 3804. The propellers of aircrafts are usually positioned at the front to pull the craft. On the other hand the propellers of ships are always mounted on the aft, so they push ships forward. What can be the explanation of the different implementations?

(4 pont)

Deadline expired on June 13, 2005.


Statistics:

63 students sent a solution.
4 points:Berinkei Péter, Darázs Zoltán, Elter Zsolt, Fábi László, Farkas 621 György, Filep Tamás, Gulyás 990 Péter, Haszpra Tímea, Hujter Mónika, Karai Róbert, Peregi Tamás, Szilágyi Zsombor, Szirmai Péter, Tüzes Dániel.
3 points:Antal 888 Zoltán, Buday Péter, Cserpán Dorottya, Dajka Attila Norbert, Filus Tamás, Hegyi Ádám, Horváth 795 Andrea, Matyó Márió, Mezei Bálint, Nagy 317 Péter, Ökrös Tamás, Remes Bálint, Székely Gergely, Szentandrási István.
2 points:18 students.
1 point:10 students.
0 point:7 students.

Problems in Physics of KöMaL, May 2005