Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?
I want the old design back!!! :-)

Problem P. 4907. (February 2017)

P. 4907. At what \(\displaystyle V_x\) volume will the efficiency of the two heat engines, operated with constant-mass ideal gas as working substance, be the same if they are taken through the cyclic processes A and B shown in the figure?

(4 pont)

Deadline expired on March 10, 2017.


Sorry, the solution is available only in Hungarian. Google translation

Megoldás. \(\displaystyle V_x=\sqrt{V_1\,V_2}.\)


Statistics:

48 students sent a solution.
4 points:Balaskó Dominik, Bíró Dániel, Bukor Benedek, Csóka987 Benedek, Csuha Boglárka, Debreczeni Tibor, Édes Lili, Fajszi Bulcsú, Fehér 169 Szilveszter, Fekete Balázs Attila, Guba Zoltán, Illés Gergely, Kolontári Péter, Kozák András, Krasznai Anna, Mácz Andrea, Magyar Máté, Magyar Róbert Attila, Makai Enikő, Makovsky Mihály, Mamuzsics Gergő Bence, Markó Gábor, Molnár 957 Barnabás, Molnár Mátyás, Morvai Orsolya, Murányi Albert, Nagy 555 Botond, Németh 777 Róbert, Németh Csaba Tibor, Olosz Adél, Ónodi Gergely, Páhoki Tamás, Papp 121 Krisztina, Pataki 245 Attila, Pécsi 117 Ildikó, Sal Dávid, Tibay Álmos, Tófalusi Ádám, Varga-Umbrich Eszter, Zöllner András, Zsombó István.
3 points:Kormányos Hanna Rebeka.
2 points:6 students.

Problems in Physics of KöMaL, February 2017