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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 points)

Deadline expired on 11 March 2013.

Google Translation (Sorry, the solution is published in Hungarian only.)

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

Statistics on problem P. 4512.
 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

•  Támogatóink: Morgan Stanley