Question

one or more balls are rolled along a grooved frictionless horizontal road towards a stationary set of three balls such that four balls roll off with speed v.All the balls are identical and assume the collision to be head on and elastic the number and speed of colliding balls​

Answer 1

Answer:

one or more balls are rolled along a grooved frictionless horizontal road towards a stationary set of three balls such that four balls roll off with speed v.All the balls are identical and assume the collision to be head on and elastic the number and speed of colliding balls