International Physicists' Tournament 2021 IPT connect |
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3. Dirty racing

Investigate the distance a ball travels on a horizontal surface of wet sand before coming to rest if initially it was subjected to translational motion parallel to the surface. How does this distance depend on the ball material (wood, metal, rubber etc.), its initial velocity and other relevant parameters?

Report Opposition Review
France

5.75

Germany

7.50

Pakistan

4.25

Sweden

5.75

Ukraine

7.80

United Kingdom

7.00

MEAN

5.93

6.75

0.00