Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation

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Problem P. 4156. (April 2009)

P. 4156. Why can a water strider or a blade of a razor float on the surface of water?

(3 pont)

Deadline expired on May 11, 2009.

89 students sent a solution.

3 points: 84 students.

1 point: 2 students.

0 point: 1 student.

Unfair, not evaluated: 2 solutionss.