A solid sphere is rolling without slipping on rough ground as shown in figure. If collides elastically with an identical another sphere at rest. There is nofriction between the two spheres . Radius of each sphere is R and mass is m. Linear velocity of first sphere after it again starts rolling without slipping is

A solid sphere is rolling without slipping on rough ground as shown in

1.	A solid sphere is rolling without slipping on rough ground as shown in figure. If collides elastically with an identical another sphere at rest. There is nofriction between the two spheres . Radius of each sphere is R and mass is m. Linear velocity of first sphere after it again starts rolling without slipping is
Answer» `(2)/(5)OMEGAR` `(2)/(7)omegaR` `(7)/(10)omegaR` `(7)/(5)omegaR` ANSWER :B