Mathematical and Physical Journal
for High Schools
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Problem P. 4562. (October 2013)

P. 4562. We would like to carry 600 bricks to a certain distance. If n bricks are carried together then our speed is v_n=\frac{v_0}{1+\frac{n^2}{5}}. We would like to finish this task in the shortest time. How many bricks should we carry together in one go?

(4 pont)

Deadline expired on November 11, 2013.

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

Megoldásvázlat. Hármasával.

Statistics:

159 students sent a solution.
4 points:109 students.
3 points:3 students.
2 points:38 students.
1 point:5 students.
0 point:4 students.

Problems in Physics of KöMaL, October 2013