Problem P. 4709. (February 2015)
P. 4709. The mass of a uniform density plastic cube of edge 2 dm is 1.0 kg. The Young's modulus of its material is \(\displaystyle 10^7~\rm{N/m}^2\).
\(\displaystyle a)\) How much is this cube compressed if it is placed to a horizontal surface?
\(\displaystyle b)\) How much does the height of its centre of mass decrease?
(5 pont)
Deadline expired on March 10, 2015.
Statistics:
37 students sent a solution. 5 points: Balogh Menyhért, Berta Dénes, Blum Balázs, Csathó Botond, Forrai Botond, Holczer András, Kormányos Hanna Rebeka, Olosz Balázs, Sal Kristóf, Szentivánszki Soma . 4 points: Fekete Panna, Molnár 157 Marcell, Öreg Botond. 3 points: 15 students. 2 points: 2 students. 1 point: 4 students. 0 point: 3 students.
Problems in Physics of KöMaL, February 2015