user avatar
user avatar
user avatar
Lili FN
  • Member for 1 year
  • Last seen this week
  • Budapest, Hungary
80 votes
4 answers
26k views

Physical meaning of Legendre transformation

  • 1,067
16 votes
2 answers
2k views

Why exactly do we say $L = L(q, \dot{q})$ and $H = H(q, p)$?

  • 95.3k
10 votes
3 answers
813 views

Why does only linear motion of the molecules contribute to temperature?

3 votes
4 answers
236 views

Is $dW = -pdV$ always valid?

  • 121
3 votes
1 answer
223 views

Retarded time in Larmor's formula

  • 370
1 vote
1 answer
222 views

Maxwell equations as Euler-Lagrange equation without electromagnetic potential

  • 1,856
0 votes
1 answer
73 views

The mass continuity equation

0 votes
0 answers
31 views

Is there another way to explain that, in pure rolling, no tangential acceleration is acting on the contacting point relative to the surface?

  • 113
0 votes
1 answer
75 views

How should Biot-Savart law be used when current is uniformly distributed over a surface?