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GR8677 #36
Problem
 GREPhysics.NET Official Solution Alternate Solutions

Mechanics$\Rightarrow$}Lagrangian

Recall Hamilton's Principle (of least action),

$\int_{t_1}^{t_2} L dt,
$

where $L=T-V$ is the Lagrangian and $T$ is the kinetic energy and $V$ the potential energy. The potential energy is given in the problem. The choice is obviously (A).

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joshuaprice153
2019-08-09 03:13:26
I know what to do, thank you! Actually this Blog post helped me a lot. I hope you continue writing about this kind of entry. mobile window tinting
grinderman
2014-09-10 12:30:55
Where is the potential energy is given in the problem?
 weber2015-12-18 06:04:49 from the previous problem
livieratos
2011-11-07 08:59:46
what the heck is an extremum? (english is not my native landuage btw)
 mpdude82012-04-15 21:06:42 An extremum is a point where the minimum or maximum of a function occurs. Usually, in the realm of classical mechanics, it's a fancy way of referring to the Lagrangian.
neon37
2010-11-01 10:50:07
I was thinking is this just this easy or is this a trick question. Turns out it is just this easy.

LaTeX syntax supported through dollar sign wrappers $, ex.,$\alpha^2_0$produces $\alpha^2_0$. type this... to get...$\int_0^\infty$$\int_0^\infty$$\partial$$\partial$$\Rightarrow$$\Rightarrow$$\ddot{x},\dot{x}$$\ddot{x},\dot{x}$$\sqrt{z}$$\sqrt{z}$$\langle my \rangle$$\langle my \rangle$$\left( abacadabra \right)_{me}$$\left( abacadabra \right)_{me}$$\vec{E}$$\vec{E}$$\frac{a}{b}\$ $\frac{a}{b}$