Two balls are moving towards each other on a vertical line collides with each other as shown. Find their velocities just after collision.

Two identical balls are approaching towards each other on a straight line with velocity 2m//s and 4m//s , respectiely. Find the final velocities after elastic collision between them.

Two identical balls are approaching towards each other on a straight line with velocity 2m//s and 4m//s , respectiely. Find the final velocities after elastic collision between them.

Two fully elastic objects of same mass is moving in same direction aiong straight line & collide with each other. Show that that they change velocity due to collision.

Two balls of masses m and 2m moving in opposite directions collide head on elastically with velocities v and 2v . Find their velocities after collision.

Two balls of masses m and 2m moving in opposite directions collide head on elastically with velocities v and 2v . Find their velocities after collision.

Two balls of masses m and 2m moving in opposite directions collide head on elastically with velocities v and 2v . Find their velocities after collision.

Two balls each of mass 0.25kg are moving towards each other in a straight line,one at 3m/s the other at 1m/s collide.The balls stick together after the collision.The magnitude of the final velocity of the combined mass in ms^(-1) is?