CSIR UGC NET June 2019 Rotational Mechanics Problem

The problem goes like this:

The solution is explained in the video solution below:

If you do not have Data pack to watch the video, you can even check out my slides and download it here 👇

CSIR UGC NET June 2019 Physics Solution 5/55 | Physics Plus from Bibhatsu Bibhatsu

Check out and download the solution slide 👇