KöMaL - Középiskolai Matematikai és Fizikai Lapok
Sign In
Sign Up


Problem P. 3937. (December 2006)

P. 3937. Two wagons of masses m1 and m2 are moving towards each other along a horizontal path. Their speeds are v1 and v2 respectively. a) What is their common velocity after they are hitched? b) What is the maximum compression of each buffer if the spring constant of all the four buffers are the same D? c) If the sum of the masses of the two wagons is constant at what ratio of the masses will the maximum compression be the greatest?

(5 pont)

Deadline expired on 11 January 2007.


130 students sent a solution.
5 points:58 students.
4 points:8 students.
3 points:15 students.
2 points:17 students.
1 point:30 students.
0 point:1 student.
Unfair, not evaluated:1 solution.

Our web pages are supported by:   Ericsson   Cognex   Emberi Erőforrás Támogatáskezelő   Emberi Erőforrások Minisztériuma   Nemzeti Tehetség Program    
MTA Energiatudományi Kutatóközpont   MTA Wigner Fizikai Kutatóközpont     Nemzeti
Kulturális Alap   ELTE   Morgan Stanley