Rotational Energy and Kinetic Energy

  • #1

Homework Statement


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


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..
plzz tell me how to do part b by Energy conservation equations...
thank u

The Attempt at a Solution

 
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Answers and Replies

  • #2
1,860
0
Do you know how to set up a Lagrangian?
 
  • #3
Do you know how to set up a Lagrangian?

no whts that?
 
  • #4
y is no body helping me???
 

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