A solid sphere is rolling without slipping on rough ground

Last updated: 6/10/2023

A solid sphere is rolling without slipping on rough ground as shown in figure It collides elastically with an identical another sphere at rest There is no friction between two spheres Radius of each sphere is R and mass is m Then linear velocity of first sphere after it again start rolling without slipping is Rough wR 7 7wR WR 10 R