Rotational Energy and Kinetic Energy

AI Thread Summary
The discussion revolves around a homework question from Monash University related to rotational and kinetic energy, specifically focusing on part b of the problem using energy conservation equations. The original poster expresses confusion about how to apply these equations to find the answer. There is a mention of the Lagrangian method, but the poster is unfamiliar with it and seeks assistance. The lack of responses highlights a need for clearer guidance on the topic. Overall, the conversation emphasizes the challenges of understanding energy conservation in rotational dynamics.
madhuparc2004
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Homework Statement


[PLAIN]http://img189.imageshack.us/img189/5994/energyq.png


Homework Equations



This is a question by Monash University...i need to do part b by Energy conservation equations...but i don;t get the answer from that..
pleasez tell me how to do part b by Energy conservation equations...
thank u

The Attempt at a Solution

 
Last edited by a moderator:
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Do you know how to set up a Lagrangian?
 
Mindscrape said:
Do you know how to set up a Lagrangian?

no whts that?
 
y is no body helping me?
 

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