An equilateral triangle ABC is sliding along the floor. At a certain moment, the velocity of point A is directed along AB and has a magnitude v, while the velocity of point B is directed along BC. What is the speed of point C at that moment?
The 2017-2018 season of Challenges had a great finish, with many readers from all over the world submitting their solutions to our March, April and May problems.
We are pleased to recognize the following contributors:
Many thanks to all contributors and we hope to hear from many more of you in the future!
Note: as always, we would very much appreciate reader-contributed original Challenges.
Boris Korsunsky, Column Editor