A 600-g mass traveling at 8.0 m/s undergoes a head-on

Last updated: 7/31/2022

A 600-g mass traveling at 8.0 m/s undergoes a head-on elastic collision with a 200-g mass traveling toward it also at 8.0 m/s. What is the speed of the 200-g mass after the collision? 16 m/s 8.0 m/s 0 m/s 15 m/s 4.0 m/s