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3 questions with no upvoted or accepted answers
2 votes
0 answers
117 views

Consistency of equation with special relativity?

The following is the equation which, I want to know, if it is valid in relativistic domain. Consider two equal charges moving in same direction with velocity $v$ and charge $q$ at a separation of $d$....
stochastic13's user avatar
  • 3,148
1 vote
0 answers
47 views

Unstable Equilibrium of hinged rods

I conjured up a scenario where there are two rods free to rotate about a hinge connected by their ends by spring of spring constant $k$,both their masses are $m$ and length $l$ and mass is uniformly ...
physics lover's user avatar
0 votes
1 answer
157 views

Follow-up on "Derivation of Lagrangian of electromagnetic field from Lorentz force"

I have a follow-up on this post. The way I understand it, if one generally has a velocity-dependent potential $U(q, \dot q, t)$, then we can derive/define a generalized force $$Q_k = \frac{d}{dt}\frac{...
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