Three identical discs A B and C as shown in the figure rest

Last updated: 6/26/2023

Three identical discs A B and C as shown in the figure rest on a smooth horizontal plane The disc A is set in motion with velocity v after which it experiences an elastic collision simultaneously with the discs B and C The distance between the centres of the latter discs prior to the collision is 7 times greater than the diameter of each disc Find at what value of n will the disc A after the collision stops nd