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Does anyone know how to model a ball (sphere) with mass spinning with an initial angular velocity that gets dropped on the floor with a coefficient of friction? And find the final angular velocity?

I tried solving the problem but somehow I got a singularity.

The idea I used was the work from friction equals the change in the kinetic energy (rotational and translational) but even after I reworked I got a singularity so i must be doing something wrong.

Thanks for your help.

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# Homework Help: Dropping a Ball

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