Question regarding this Basketball Kinematics Diagram

[msfd]

 

[berkeman]

Welcome to the PF.

What a fun problem and question. Can you post a link to the whole paper? I'm not seeing enough of their development in your attachment to be able to help so far.

 

[msfd]

Hi, here's the paper: https://www.sciencedirect.com/science/article/pii/S187770581501471X

Thanks for help!

 

[GreatestPhysician99]

The ball will do both linear and rotational motion.The work done on the ball will be converted in both angular and linear momentum.