Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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Problem P. 4512. (February 2013)

P. 4512. The mass of a plastic slinky is 60 g, its height is 6 cm, and the number of its turns is 40. If it is suspended at one of its end its length is 106 cm. What is the spring constant of one turn of the slinky in N/m?

(4 pont)

Deadline expired on March 11, 2013.

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

Megoldásvázlat. \(\displaystyle D=11{,}8~\frac{\rm N}{\rm m}.\)


99 students sent a solution.
4 points:53 students.
3 points:4 students.
2 points:19 students.
1 point:10 students.
0 point:12 students.
Unfair, not evaluated:1 solution.

Problems in Physics of KöMaL, February 2013