(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

[PLAIN]http://img96.imageshack.us/img96/9288/lagrangiansimplifcation.jpg [Broken]

"[URL [Broken]

If you require more info in the derivation, it's on page 1:

http://www.ph.qmul.ac.uk/~phy304/Homework/HW3sol.pdf

2. Relevant equations

L = T - V

3. The attempt at a solution

I understand exactly the process of obtaining the Lagrangian... But I do not understand his simplifying process at all.

Could somebody please help/forward me into the right direction?

Thanks in advance!

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# Homework Help: Simplifying Lagrangian's Equations (Classial Dynamics)

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