A block A of mass m moving with a velocity v along a

Last updated: 6/27/2023

A block A of mass m moving with a velocity v along a frictionless horizontal track and a blocks of mass m 2 movi with 2 v collides with plank elastically Final speed of the block A is I 5v 3 2 v 2 4 none of these m A 2v m 2 B