IPT 2017 IPT connect | IPT 2017 Physics Fights Ranking Problems Participants Jury members

4. Long shot

It often happens in movies that a hero shoots an arrow vertically up and after some time the arrow falls and strikes the enemy. Suppose you are a professional archer with the best ancient Asian bow, such that you are able to take into account the effects of the wind and the Coriolis force and make the best shot possible in order to minimize the deviation of the arrow from the target. If you shoot with the maximum power in the straight up direction, how far will the arrow deviate from the target as a result of factors that are beyond your control? How is the answer likely to change for a modern rifle and bullet? Be extremely careful when performing experiments!

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China

4.75

7.00

Russia - MIPT

7.00

Slovenia

4.75

Sweden - KTH

6.75

Switzerland

6.00

USA

4.75

Ukraine

6.25

Venezuela

6.75

MEAN

5.42

6.00

6.58