Mathematical and Physical Journal
for High Schools
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Problem P. 4139. (February 2009)

P. 4139. In a spherical container of radius R there is a sample of ideal gas containing N molecules each having a mass of m. Supposing that they move randomly in all directions at the same speed of v derive the basic equation of the kinetic theory gases, so determine the pressure of the gas.

(5 pont)

Deadline expired on March 11, 2009.


Statistics:

63 students sent a solution.
5 points:Bacsó András, Barancsuk Lilla, Bartha Zsolt, Batki Bálint, Börcsök Bence, Emroz Khan, Farsang István, Filep Tibor, Földes Imre, Hartstein Máté, Hoksza Zsolt, Jakab Dávid, Janosov Milán, Kovács Attila, Kungl 008 Ákos, Laczkó Zoltán Balázs, Lászlóffy András, Lovas Lia Izabella, Lőrincz Dóra, Maknics András, Mayer Martin János, Nagy Loránd, Najbauer Eszter Éva, Patartics Bálint, Somogyi József, Szabó 126 Gergely, Szabó 928 Attila, Török 999 Csaba, Török Lajos, Varju 105 Tamás, Vuchetich Bálint, Zelei Kristóf.
4 points:Budai Ádám, Csengeri Béla, Filep Gábor, Hegedűs Csaba, Jéhn Zoltán, Ji Hai Ou, Kótai Áron, Kovács Márk, Szikszai Lőrinc, Tóth 222 Barnabás.
3 points:3 students.
2 points:4 students.
1 point:2 students.
0 point:11 students.
Unfair, not evaluated:1 solution.

Problems in Physics of KöMaL, February 2009