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Conservation-laws
New post in Conservation-laws
Conservation of momentum when one body is fixed
May 8th, 2020
momentum
conservation-laws
newtonian-mechanics
Least Action in General Relativity
August 1st, 2022
geodesics
conservation-laws
lagrangian-formalism
general-relativity
variational-principle
Where does the kinetic energy go?
May 7th, 2020
conservation-laws
thermodynamics
angular-momentum
energy-conservation
rotational-dynamics
The elusive difference between force and impulse
October 8th, 2020
forces
momentum
conservation-laws
definition
Off-shell and on-shell assumptions within the derivation of Noether's theorem
December 15th, 2020
noethers-theorem
symmetry
conservation-laws
lagrangian-formalism
quantum-field-theory
Does electron being many places at the same time violate Physics laws?
October 8th, 2020
quantum-mechanics
electrons
conservation-laws
Huge buildings affect Earth's rotation?
August 1st, 2022
conservation-laws
earth
angular-momentum
newtonian-mechanics
rotational-dynamics
Why the photon can't produce electron and positron in space or in vacuum?
August 1st, 2022
pair-production
kinematics
photons
momentum
conservation-laws
Can charge really not be created?
August 1st, 2022
charge
conservation-laws
electrostatics
Is (rest) mass conserved in special relativity?
August 1st, 2022
conservation-laws
special-relativity
mass
How can kinetic energy increase during a collision?
November 11th, 2020
collision
conservation-laws
energy-conservation
newtonian-mechanics
How to apply Noether's theorem
August 1st, 2022
symmetry
conservation-laws
lagrangian-formalism
noethers-theorem
action
What is the difference between "additive" quantum numbers and "multiplicative" quantum numbers?
March 30th, 2020
terminology
conservation-laws
particle-physics
quantum-mechanics
Crystal Momentum in a Periodic Potential
August 10th, 2020
quantum-mechanics
solid-state-physics
symmetry
conservation-laws
crystals
Is electric charge truly conserved for bosonic matter?
June 16th, 2020
quantum-field-theory
conservation-laws
gauge-theory
charge
bosons
Why is it important that the vector current should be conserved in QED?
December 24th, 2020
quantum-field-theory
conservation-laws
gauge-theory
quantum-electrodynamics
quantum-anomalies
Why conservation of momentum?
August 1st, 2022
homework-and-exercises
newtonian-mechanics
momentum
conservation-laws
Navier-Stokes Energy Equation
April 27th, 2020
homework-and-exercises
fluid-dynamics
conservation-laws
navier-stokes
Is conservation of momentum and energy valid for non-inertial frames?
June 13th, 2020
newtonian-mechanics
momentum
reference-frames
conservation-laws
inertial-frames
Can linear momentum be conserved before and after collision in the presence of an external force?
August 1st, 2022
conservation-laws
momentum
homework-and-exercises
newtonian-mechanics
collision
Conserved charges and generators
September 30th, 2020
field-theory
noethers-theorem
quantum-mechanics
conservation-laws
symmetry
How to tell if the collision is elastic or inelastic?
June 26th, 2020
momentum
kinematics
collision
conservation-laws
energy-conservation
What determines whether a pool ball will bouce backwards after colliding with another pool ball?
July 19th, 2020
friction
conservation-laws
collision
newtonian-mechanics
rotational-dynamics
Trouble with the Lorentz law of force: Incompatibility with special relativity and momentum conservation?
August 1st, 2022
electromagnetism
special-relativity
momentum
conservation-laws
classical-electrodynamics
Coriolis force and conservation of angular momentum
April 20th, 2020
coriolis-effect
angular-momentum
conservation-laws
inertial-frames
Does an atom recoil when photon radiate?
August 1st, 2022
conservation-laws
atoms
momentum
electromagnetic-radiation
Noether Current when the Lagrangian depends on second derivative of the fields
February 22nd, 2020
brst
noethers-theorem
field-theory
conservation-laws
lagrangian-formalism
Intuition for continuity equation
August 1st, 2022
conservation-laws
Noether's theorem for space translational symmetry
August 1st, 2022
classical-mechanics
lagrangian-formalism
conservation-laws
symmetry
noethers-theorem
Does the stress-energy tensor contain the equations of motion?
May 29th, 2020
energy-conservation
special-relativity
conservation-laws
equations-of-motion
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