Mathematical and Physical Journal
for High Schools
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Problem P. 4215. (January 2010)

P. 4215. A body is attached to a vertically hung soft spring. The body is released and the time during which the body reaches the lowest point of its path is measured. How many times does this time more than the time while an object, which falls freely without any initial speed, covers the same distance?

(4 pont)

Deadline expired on February 10, 2010.

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

Megoldás. \(\displaystyle t_1/t_2=\pi/2\approx1,571\).


143 students sent a solution.
4 points:92 students.
3 points:17 students.
2 points:25 students.
1 point:5 students.
0 point:2 students.
Unfair, not evaluated:2 solutionss.

Problems in Physics of KöMaL, January 2010