Two semicircular rings of linear mass densities `lamda` and `2 lamda` and of radius 'R' each
Channel: Doubtnut
Date: 12/04/2020

Two semicircular rings of linear mass densities `lamda` and `2 lamda` and of radius 'R' each are joined to form a complete ring. The distance of the centre of the mass of complete ring from its geometrical centre is :