Angular Momentum- Need help- problem involving rigid bodies

AI Thread Summary
The discussion revolves around a homework problem involving angular momentum and rigid bodies. The user is struggling to apply conservation of energy principles and is uncertain about locating the center of mass of the rod and the placement of the moment of inertia (Ic). Clarifications on these concepts are sought to solve the problem effectively. The need for guidance on the correct application of angular momentum equations is emphasized. Overall, the thread highlights common challenges faced in understanding rigid body dynamics in physics.
Fafiel Bata
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Homework Statement


http://tinypic.com/r/vsew5k/8

Homework Equations


Angular momentum for rigid bodies
Kinetic energy of rigid bodies

The Attempt at a Solution


I tried to start by using conservation of energy, but I can't find the center of mass of the rod. I'm also not sure where to put the Ic.

Thank you for all help given!
 
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