- #1

algebra topology

- 10

- 0

Thread moved to the schoolwork forums and OP reminded to show their work on schoolwork type questions.

**TL;DR Summary:**Almost as difficult as the Physics Olympics semi-finals or finals

The coefficient of friction of the two arcs is the same.The radius of the ball is not taken into account.The roll of the ball is ignored.Can it be calculated or estimated quantitatively?The difficulty is estimated to be above the Physics Olympics semi-finals.