Two identical smooth spheres collide head-on on a frictionless horizontal surface and…
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Two identical smooth spheres collide head-on on a frictionless horizontal surface and move together as a single mass after impact. Which one of the following correctly classifies the collision?
(a) Elastic
(b) Super-elastic
(c) Perfectlyinelastic
(d) Inelasticbutnotperfectlyinelastic