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Mass
New post in Mass
First and Second Moment of Mass
August 1st, 2022
newtonian-mechanics
mass
moment-of-inertia
moment
Orbital speed for a circular orbit?
May 16th, 2020
newtonian-gravity
mass
orbital-motion
newtonian-mechanics
equivalence-principle
Why do the $1/2$ factor appear in the Majorana mass Lagrangian?
August 1st, 2022
mass
lagrangian-formalism
neutrinos
fermions
majorana-fermions
Where does the mass term come from in the Proca Lagrangian?
August 1st, 2022
lagrangian-formalism
mass
electromagnetism
quantum-electrodynamics
Planetary Gravity and its effects
August 1st, 2022
gravity
mass
planets
density
$m$ in Klein-Gordon Equation
August 11th, 2022
quantum-field-theory
klein-gordon-equation
field-theory
mass
Does everything with mass or energy have a gravitational pull?
August 1st, 2022
stress-energy-momentum-tensor
general-relativity
mass-energy
mass
gravity
How would the universe be different if the electron mass was twice as large?
August 2nd, 2022
cosmology
electrons
mass
Does every black hole have its mass within its Schwarzschild radius?
August 1st, 2022
general-relativity
event-horizon
mass
black-holes
Acceleration of two falling objects with identical form and air drag but different masses
August 1st, 2022
drag
acceleration
newtonian-gravity
mass
Why can't massless particle exceed speed of light?
August 1st, 2022
photons
special-relativity
mass
speed-of-light
faster-than-light
What's with the very slightly larger mass of the neutron compared to the proton?
November 3rd, 2020
standard-model
protons
neutrons
isospin-symmetry
mass
An atomic bomb explodes inside of an "unbreakable" container which is on a scale. Does the "weight" of the container change?
August 1st, 2022
weight
nuclear-physics
mass
atomic-physics
mass-energy
Can we find actual rest mass of things on Earth
August 1st, 2022
relative-motion
special-relativity
mass
reference-frames
relativity
Why did we expect gravitational mass and inertial mass to be different?
August 9th, 2022
general-relativity
gravity
mass
equivalence-principle
inertia
Can you give a photon mass?
August 1st, 2022
speed-of-light
mass
photons
special-relativity
If a black hole is created from light, can this black hole then move at the speed of light?
March 30th, 2020
speed
black-holes
mass
speed-of-light
mass-energy
Is weight a scalar or a vector?
August 1st, 2022
vectors
terminology
mass
weight
Why do we have an elementary charge but no elementary mass?
August 1st, 2022
mass
discrete
charge
Is a hard drive heavier when it is full?
August 1st, 2022
energy
mass
Why is the Yang–Mills existence and mass gap problem so fundamental?
January 15th, 2020
mass
yang-mills
confinement
Do massless particles really exist?
August 1st, 2022
photons
particle-physics
mass
Could mass just be light moving in another dimension?
February 14th, 2022
mass
kaluza-klein
speed-of-light
compactification
spacetime-dimensions
If there is no gravity, does that mean there's no mass as well?
July 29th, 2022
weight
newtonian-mechanics
newtonian-gravity
mass
inertia
Static Friction != Coefficient of Static Friction * Net Force
November 1st, 2020
forces
mass
friction
What is a mass moment?
July 7th, 2020
definition
mass
moment-of-inertia
moment
Total mass of system and Force
July 26th, 2022
newtonian-mechanics
forces
mass
acceleration
string
Length contraction speed of light
July 26th, 2022
visible-light
length
speed-of-light
mass
special-relativity
Projectile motion without air resistance
July 26th, 2022
homework-and-exercises
mass
kinematics
projectile
equivalence-principle
Calculate Mass based on Velocity and Acceleration
November 15th, 2020
newtonian-gravity
homework-and-exercises
newtonian-mechanics
kinematics
mass
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