Einstein's energy equation
67945
What are good examples to demonstrate Einstein's mass-energy relation
119336
Zero energy universe
17121
Kinetic energy with respect to different reference frames
137061
Understanding the different kinds of mass in gravity
79068
Is energy conserved in general relativity? Does $\nabla_aT^{ab}_{\rm matter}=0$ represent the conservation of energy and momentum?
59594
Binding energy and mass
89580
Bernoulli's equation and reference frames
64247
Noether Theorem and Energy conservation in classical mechanics
150407
Gravitational wave solutions to the Einstein field equations
54857
The wave equation in general relativity, special relativity, and Cartesian coordinates
86401
How has the definition of gravitational potential energy been derived?
135071
Energy momentum tensor from Noether's theorem
89301
Is the total energy of the universe constant?
130366
Self-energy of a uniformly charged, non-conducting sphere, using energy density formula
29340
Why does no physical energy-momentum tensor exist for the gravitational field?
30683
$F=ma$ calculation taking relativity into account?
67701
The energy of an electromagnetic wave