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Nick Alger
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8 Answers

Score Activity Newest
73 votes
Accepted

Normalizable wavefunction that does not vanish at infinity

  • quantum-mechanics
  • wavefunction
  • boundary-conditions
  • normalization
answered May 9, 2017 at 17:22
43 votes

Physical meaning of Legendre transformation

  • classical-mechanics
  • thermodynamics
  • lagrangian-formalism
  • hamiltonian-formalism
answered May 2, 2011 at 2:15
20 votes
Accepted

How did Newton find out gravity is proportional to the product of two masses?

  • newtonian-gravity
  • mass
  • history
answered Jun 1, 2015 at 8:08
19 votes

How to interpret the derivative of the Dirac delta potential?

  • differentiation
  • dirac-delta-distributions
answered Jan 24, 2015 at 21:50
6 votes

What is a tensor?

  • differential-geometry
  • definition
  • tensor-calculus
answered Sep 13, 2016 at 10:00
6 votes

Why do we select the metric tensor for raising and lowering indices?

  • general-relativity
  • differential-geometry
  • metric-tensor
  • tensor-calculus
answered May 17, 2017 at 18:16
1 vote

Mathematically possible vs physically probable outcomes

  • cosmology
  • statistical-mechanics
  • astrophysics
  • universe
  • probability
answered Jun 16, 2014 at 20:21
0 votes

Laplacian of 1/r satisfies laplacian equation?

  • electrostatics
answered Oct 11, 2015 at 5:24
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