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Lagrangian Dynamics of an inverted Spherical Cart Pendulum

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Symmetry of the second partial derivatives of the Hamiltonian

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Proof of principle of stationary action when the Lagrangian is not $L=T-V$

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Force of brake pads on a wheel

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Magnitude of the variations $\delta q_i$ in the principle of stationary action

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Expected energy in micro-canonical and canonical distribution

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Derivation of Hamiltonian $H=T+V$ from Lagrangian $L=T-V$

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Is there a limit for passing of classical waves behind a slit?

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What is the process of finding a good canonical transformation to describe a system? How do I choose the correct generating function?

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Can we tell anything about the velocity at which a spherical stone falls into a lake based on the sound it makes?

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How can solve to calculate position of image for any random point and random paraxial rays?

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Time derivative of unit velocity vector?

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Are symmetry operations necessarily only transformations on the configuration space?

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Physical interpretation of mathematical operations

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