Two identical discs of mass M and radius R are connected by a light rod. The assembly rests at a corner, the vertical wall is smooth and there is sufficient friction on the floor to ensure pure rolling of disc B. The system starts from position
θ=0. Find the velocity of the midpoint of the rod when
θ=60o.
![1486721_a1608a8cabd2476db1b257548970303b.png](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/1486721_a1608a8cabd2476db1b257548970303b.png)