Problem P. 4535. (April 2013)

P. 4535. The attached photograph (which can also be seen in the first cover of this journal) shows a phase of the descending Moon. Using the sizes of the figure determine how many days before the picture was taken was a full Moon.

(4 pont)

Deadline expired on May 10, 2013.

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

Megoldásvázlat. 9 nappal korábban volt telihold.

Statistics:

32 students sent a solution.
4 points:	Alabér Ádám, Antalicz Balázs, Berta Dénes, Fehér Zsombor, Gál Kristóf, Kenderes Anett, Kozár Eszter, Mészáros Gabriella, Nagy 119 Dóra, Nagy Kartal, Putti Krisztián, Tanner Martin, Trócsányi Péter, Ujvári Eszter, Wiandt Péter.
3 points:	Csathó Botond, Dinev Georgi, Emri Tamás, Filep Gábor, Garai Zoltán, Horváth András Levente, Lauer Máté, Nagy Zsolt, Pálinkó Petra, Rózsa Tibor, Szabó 8314 Pál.
1 point:	2 students.
0 point:	4 students.

Problems in Physics of KöMaL, April 2013