<we><edit> <!-- questions and answers -->
reference-frames
experimental-physics
string-theory
momentum
astronomy
gauge-theory
work
energy-conservation
relativity
particle-physics
electrical-resistance
mass
spacetime
radiation
cosmology
collision
potential-energy
pressure
quantum-information
hamiltonian-formalism
nuclear-physics
renormalization
black-holes
photons
water
homework-and-exercises
Dependence of decay width on the CKM parameters
homework-and-exercises
particle-physics
cp-violation
Question on the Rydberg - Ritz Fromula
homework-and-exercises
atomic-physics
Wedge with differnet angles on either side with mass m on either one. Show that the wedge will not move
homework-and-exercises
newtonian-mechanics
Probability to measure certain energies
quantum-mechanics
homework-and-exercises
newtonian-mechanics
Induction in conducting spherical shells
homework-and-exercises
electrostatics
electric-fields
gauss-law
conductors
Non-relativistic limit of a particle in the uniform electric field
homework-and-exercises
newtonian-mechanics
electromagnetism
special-relativity
Inonu-Wigner Group Contraction
homework-and-exercises
hamiltonian
lie-algebra
poincare-symmetry
galilean-relativity
Composition of Lorentz transformations using generators
homework-and-exercises
special-relativity
commutator
One-dimensional Wave Function Problem
quantum-mechanics
homework-and-exercises
Could anyone help me in this WORK ENERGY PROBLEM?
homework-and-exercises
energy
work
Superposition of Two distributions
homework-and-exercises
superposition
statistics
Cylinder inside a cylinder - moment of inertia
homework-and-exercises
energy
rotational-dynamics
moment-of-inertia
Radial component of 2D Schrodinger equation for a linear potential
quantum-mechanics
homework-and-exercises
wavefunction
potential
schroedinger-equation
How do I write an operator in Dirac notation?
quantum-mechanics
homework-and-exercises
operators
Speed and direction of a traveling wave on a taut string
homework-and-exercises
waves
string
vibrations
How to simplify this circuit and derive its truth table? Please explain in detail
homework-and-exercises
electric-circuits
electrical-resistance
semiconductor-physics
Gauge Invariance of Schrodinger Equation
homework-and-exercises
electromagnetism
schroedinger-equation
gauge-theory
gauge-invariance
Find compression strain in a plank which has just one force acting on it
homework-and-exercises
stress-strain
What is the equation of a projectile motion as given by the general theory of relativity?
homework-and-exercises
general-relativity
geodesics
Variation of (velocity vs height) from earth frame of reference
homework-and-exercises
gravity
energy-conservation
potential-energy
velocity
Question about Double Pulley (Challenge Problem in Book)
homework-and-exercises
newtonian-mechanics
Air drag heating at very high speeds
homework-and-exercises
electromagnetism
thermodynamics
projectile
drag
Calculating Momentum in Particle Physics (Introductory)
homework-and-exercises
special-relativity
particle-physics
momentum
conservation-laws
3-dimensional Fourier transform of an isotropic wavefunction (depending only on $r$)
quantum-mechanics
homework-and-exercises
fourier-transform
integration
How to obtain a vector relation for the Rabi frequency?
quantum-mechanics
homework-and-exercises
quantum-spin
Covariant Riemann tensor indices
homework-and-exercises
differential-geometry
metric-tensor
curvature
How thickness of wire affects carrier drift speed
homework-and-exercises
electricity
Better approaches to solving mechanical energy problem
homework-and-exercises
energy
time
spring
oscillators
can someone explain solution guide?
homework-and-exercises
rotational-kinematics
showing the Minkowski force in the covariant form
homework-and-exercises
electromagnetism
special-relativity
forces
Spherical phase space dynamics
homework-and-exercises
classical-mechanics
hamiltonian-formalism
coordinate-systems
Biot-Savart law and magnetic field of a ring
homework-and-exercises
electromagnetism
magnetostatics
Energy quantization of double symmetric square-well potential
quantum-mechanics
homework-and-exercises
wavefunction
potential
schroedinger-equation
Sign of Gaussian surface that encloses negative charge
homework-and-exercises
electrostatics
vectors
conventions
The definition of an Levi-Civita epsilon tensor
homework-and-exercises
special-relativity
tensor-calculus
Accelerating car, up and down a hill
homework-and-exercises
newtonian-mechanics
acceleration
Strain energy stored in the rod
homework-and-exercises
elasticity
stress-strain
Can air resistence force be orthogonal to the velocity?
homework-and-exercises
fluid-dynamics
drag
aerodynamics
Mean-field approximation Graphene
homework-and-exercises
statistical-mechanics
condensed-matter
field-theory
mean-field-theory
Find the height of tall objects by free fall rock
homework-and-exercises
kinematics
How to derive a pendulum's motion without torque and angular momentum?
homework-and-exercises
newtonian-mechanics
forces
Symmetry properties of many-body operator
homework-and-exercises
many-body
second-quantization
determine the velocity and acceleration of block b when theta is 30 degrees
homework-and-exercises
newtonian-mechanics
How to convert average horse power?
homework-and-exercises
newtonian-mechanics
work
power
Rotational Kinematics question about wheel
homework-and-exercises
kinematics
rotational-kinematics
two-body operator in coordinate representation
homework-and-exercises
operators
many-body
second-quantization
Graph explanation for force and friction
homework-and-exercises
friction
Angular acceleration of two rods joined in the center - did I do this right?
homework-and-exercises
forces
torque
Ball rolling up a loop
homework-and-exercises
newtonian-mechanics
gravity
rotational-dynamics
Measuring two components of angular momentum after measuring total angular momentum and one of its components
quantum-mechanics
homework-and-exercises
angular-momentum
hilbert-space
A question about a commutation relation
homework-and-exercises
special-relativity
lorentz-symmetry
commutator
lie-algebra
Physics question there are two questions here
homework-and-exercises
electromagnetism
Position when potential energy and kinetic energy of a spring are equal
homework-and-exercises
newtonian-mechanics
energy-conservation
spring
Two-body problem with a spring, asking the period of vibration
homework-and-exercises
newtonian-mechanics
spring
Moment of inertia of the drone around the x-axis
homework-and-exercises
rotational-dynamics
moment-of-inertia
The idea of analytical continuation method to solve the Klein-Gordon equation, how and why?
homework-and-exercises
greens-functions
klein-gordon-equation
propagator
wick-rotation
A mass in circular motion on a spring given an impulse
homework-and-exercises
newtonian-mechanics
harmonic-oscillator
centripetal-force
Coefficient of Friction on Inclined Plane
homework-and-exercises
friction
Spin direction for a bundle of electrons
quantum-mechanics
homework-and-exercises
electrons
quantum-spin
Flow rate in split bottleneck
homework-and-exercises
fluid-dynamics
flow
Potential inside a hollow sphere (spherical shell) given potential at surface
homework-and-exercises
electrostatics
potential
gauss-law
Scale factor matrix
homework-and-exercises
cosmology
symmetry
space-expansion
Calculating electric field using voltage
homework-and-exercises
electrostatics
electric-fields
potential
voltage
Probability transition without approximation
quantum-mechanics
homework-and-exercises
Normal velocity direction
homework-and-exercises
newtonian-mechanics
string
How to compute the charge as a function of time in a simple $CL$ circuit?
homework-and-exercises
electric-circuits
charge
capacitance
inductance
Conservation of Energy - seriously lost on this problem and would appreciate a full breakdown of strategies and concepts
homework-and-exercises
newtonian-mechanics
classical-mechanics
energy-conservation
work
What are the units of a scalar field if I only impose $c=1$?
homework-and-exercises
field-theory
dimensional-analysis
absolute-units
A typical rotation problem
homework-and-exercises
newtonian-mechanics
kinematics
rotational-dynamics
rotational-kinematics
Work in moving reference frames
homework-and-exercises
energy-conservation
reference-frames
Mean energy of a system with multiple subsystems
homework-and-exercises
thermodynamics
statistical-mechanics
Difference in definition of event changes length contraction
homework-and-exercises
special-relativity
How to solve problem with homogenous ball at equilibrium?
homework-and-exercises
newtonian-mechanics
forces
vectors
statics
Velocity of the sun?
homework-and-exercises
kinematics
reference-frames
orbital-motion
solar-system
In the circuit shown the capacitor is an steady state find the current
homework-and-exercises
electric-circuits
electric-current
electrical-resistance
capacitance
Time dependence of the density of matter and radiation
homework-and-exercises
cosmology
How do these conditions affect liquid (or flud) pressure?
homework-and-exercises
newtonian-mechanics
fluid-dynamics
pressure
fluid-statics
solving quantum master equation matrix form
quantum-mechanics
homework-and-exercises
density-operator
open-quantum-systems
"Shadows are Lorentz Invariant"
homework-and-exercises
What is the percentage increase in momentum if kinetic energy is increased by 4 percent?
homework-and-exercises
newtonian-mechanics
forces
kinematics
momentum
Maximum Power Density
homework-and-exercises
antennas
How to Solve this Galvanometer problem by using KVL?
homework-and-exercises
electric-circuits
electrical-resistance
potential-flow
Why would the oil rise in this situation?
homework-and-exercises
potential
dielectric
inductance
How would I find the normal force in this problem?
homework-and-exercises
kinematics
Could you explain how the coordinates are obtained in the dumbbell setup show below?
homework-and-exercises
lagrangian-formalism
orbital-motion
celestial-mechanics
rigid-body-dynamics
A question based on elasticity
homework-and-exercises
elasticity
continuum-mechanics
Force on current carrying square loop
homework-and-exercises
electromagnetism
State of Spin 1/2 particle in a magnetic field
quantum-mechanics
homework-and-exercises
Air resistance and computing the maximum height
homework-and-exercises
kinematics
projectile
drag
dissipation
Reflection and Transmission Waves
homework-and-exercises
waves
reflection
scattering
Fluid mechanics floating
homework-and-exercises
newtonian-mechanics
Can we write $P = hdg$ for solid pressure?
homework-and-exercises
newtonian-mechanics
pressure
fluid-statics
states-of-matter
What will be Kinetic energy at minimum position?
homework-and-exercises
Action of Operator in lattice model
homework-and-exercises
operators
crystals
lattice-model
Lagrangian of rotating springs
homework-and-exercises
classical-mechanics
lagrangian-formalism
rotational-dynamics
reference-frames
I din`t know if this is the right form for this question or not, I use khan academy, cosmolearn, youtube to brush up
homework-and-exercises
Capacity of flat capacitor
homework-and-exercises
capacitance
Thermodynamics - Heat transfer to a pipe containing a static fluid within an air plenum
homework-and-exercises
thermodynamics
Average acceleration and centripertal acceleration
homework-and-exercises
kinematics
acceleration
Doubt in Lorentz Transformation
homework-and-exercises
special-relativity
tensor-calculus
notation
covariance