Is Einstein's formula $E=mc^2$ the same as the kinetic energy formula $\dfrac{1}{2} mv^2$?
103009
$E=mc^2$ resembles non-relativistic kinetic energy formula $E_K = \frac{1}{2}mv^2$?
100810
Let $V$ be spherically symmetric and $W$ i.i.d. Gaussian. Then $E[V|V+W=t]=g(\|t\|)$
29274
Is angular frequency the same as angular velocity or are they different?
62867
Is $E^2=(mc^2)^2+(pc)^2$ correct, or is $E=mc^2$ the correct one?
62419
Einstein equation $E=mc^2$: Does it mean an object without mass does not have energy?
42623
What is the relationship between force and kinetic energy?
140986
Can the kinetic energy be a function of the position vector?
30723
Second derivative "formula derivation"
96456
General Relativity Equivalence
53952
What does $\frac{1}{\sqrt{1 - \frac{v^2}{c^2}}}$ mean with respect to special relativity?
131167
Kinetic energy of the object, but Potential energy of the system: Why is it so?
44566
Is (rest) mass conserved in special relativity?
121286
How to calculate the kinetic energy of supernova ejecta?
38673
General relativity: For massless particles, is the momentum and velocity 4-vectors equal?
69963
What was Albert Einstein's proof for $E=mc^2$?
47385
Is $F = G\dfrac{{m_1}{m_2}}{r^2}$ really true?
60172
How to explain $E=mc^2$ mass defect in fission/fusion?