International Physicists' Tournament 2019 IPT connect | IPT 2019
Physics Fights
Ranking
Problems
Participants
Jury members

13. String shooter

A closed loop of string fed between two high-speed rotating wheels seems to defy gravity. Explain the overall shape of the loop and investigate the propagation of waves on the string.

Report Opposition Review
Australia

6.40

Brazil

5.80

Colombia

6.20

8.20

France – Université de Lyon

8.20

6.83

France – École polytechnique

5.83

Germany

7.60

7.80

Italy

7.20

Poland

6.20

Russia – MIPT

6.40

Russia – Voronezh State University + VSTU + MIPT

9.00

7.60

Switzerland

7.00

Ukraine - National University of Kharkiv

8.20

6.00

7.80

MEAN

7.57

6.60

7.21