Problem M. 313. (March 2011)
M. 313. Measure the coefficient of friction between the tabletop and the body of a biro, which has a push button with a spring in it at one of its ends. Only tape measure is allowed to use.
Deadline expired on April 11, 2011.
6 students sent a solution. 6 points: Barta Szilveszter Marcell, Gargauly Gergő János, Pataki Bálint Ármin, Szabó 928 Attila. 5 points: Szemes Gábor Bence. 3 points: 1 student.