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Expectation value of an operator to the power of n
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2
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816
Troubleshooting nuclear decay, electron binding energies, internal contributions
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1
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664
Dependence of Hall coefficient on temperature in semiconductors
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1
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698
Density of a patch of an accretion disk
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8
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774
Classical magnetic dipole-dipole interaction in iron
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7
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924
Express entropy density in terms of energy density (Ashcroft/Mermin)
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8
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954
How to manipulate indices when Grassmannian numbers are present?
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6
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933
I do not understand stress energy tensor for fluids
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6
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881
Majorana Fermions: Lagrangean and equations of motion
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1
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808
Van der Pol Oscillator limit cycle
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1
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710
Can Spin Waves Explain Magnetization?
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1
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937
Troubleshooting Nuclear Reactions: Decay, Gamma Rays & More
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8
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772
Calculate the molar Entropy of H2O
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9
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1K
Quantum spin superposition interpretation
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9
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873
Fuel Cell Reaction Question - is this right?
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1
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623
Goldstein's Classical Mechanics third edition "1. If we insert the 4-velocity u of the observer into one of the slots..."
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6
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820
Multipole expansions, calculating the various moments of point charges
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2
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775
Separation of variables in spherical coordinates (electrostatics)
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13
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1K
General relativity - Using Ricc and Weyl tensor to find the area
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1
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923
A system of independent particles (energy levels)
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1
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845
Solving a Problem with Interchanging Field Tensors
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5
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1K
Higgs boson re-discovery from a CERN dataset (for a project)
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2
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822
Linearisation of continuity equation (cosmology)
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1
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789
Problem on SSH Model Tight Binding Approach
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1
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675
Finding free electron gas Green function in Fourier space
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1
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955
Ensemble vs. time averages and Ashcroft and Mermin Problem 1.1
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1
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771
Deriving the commutation relations of the Lie algebra of Lorentz group
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3
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2K
How to find the eigenvector for a perturbated Hamiltonian?
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13
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1K
What Variables Must X̅ Have?
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8
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914
Maxwell-Boltzmann Distribution
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8
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1K
Time dilation for a clock thrown vertically
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4
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856
Basic Quantum Circuit: States of Individual Qubits
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3
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931
Electrons escaping a metal surface
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3
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898
Rotation of spherical harmonics
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1
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800
Electron encountering metal surface (1D Step potential)
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11
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872
Why a particle with spin=0 can't posses a magnetic dipole moment?
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17
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1K
Mixed states and total wave function for three-Fermion-systems
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1
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760
Definition of angular frequency in nuclear structure
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8
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872
MTW Exercise 12.6: Formulating Newtonian Gravity Using Curvature
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9
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1K
Calculating pressure from a known equation of energy
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5
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915
Coordinate transformation into a standard flat metric
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3
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1K
Electrodynamics - finding potential of a non conducting shell
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2
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974
Electric and magnetic fields of a moving charge
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33
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2K
Magnetic- and Electric- field lines due to a moving magnetic monopole
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23
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1K
Electric Field due to a disk of radius R in the xy-plane
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7
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996
Probabilities of measuring ##\pm \hbar/2## along ##\hat{n}##?
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1
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701
Average Kinetic Energy of Electron in the Conduction Band
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4
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862
Expressing Feynman Green's function as a 4-momentum integral
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1
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780
Can Left Handed Up Quarks Transform Into Right Handed Ones?
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6
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982
Are Pi-mesons and W-bosons Identical? Exploring Particle Decay
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12
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768
Deriving the kinetic energy flux in an effusion process
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4
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1K
Probability of Negative Value in Sz 1/2 Spin System w/ Lambda 1 & 2
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4
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726
Solving Problem 2.4 in Ballentine: Nonnegativeness Derivation
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3
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750
Angular momentum <Lx^2> and <Ly^2>
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6
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988
Surface current on a spherical superconductor
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1
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730
Feynman diagram for ##\mu^+\mu^-## production in ##p\bar{p}## reaction
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1
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663
Problem 2 in "Quantum Theory for Mathematicians", Solving for the travel time of a particle in a potential
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5
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936
Delta-Scuti phase folded light curve equation
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1
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853
Radiation Physics - Decay Diagram
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2
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822
Spin-Orbit Coupling in Hydrogen Atom: Understanding the Calculation
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6
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2K
3 mass coupled oscillators
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7
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1K
Conserved Noether charges for Lorentz symmetry of the action
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9
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3K
Expectation of Kinetic Energy for Deuteron
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30
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1K
Spectral lines in the emission spectrum for an electron at n= 3
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2
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703
4- vector potential transformation
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1
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806
Phonon-phonon scattering
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1
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728
Gas in a box with Maxwell-Boltzmann distribution
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5
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946
Parameters in Bohr-Mottelson Collective Hamiltonian
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1
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679
Collision between two particles with different spin
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3
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893
What is the oscillator model in a generalized Snyder scheme？
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1
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663
Deuteron Transcendental Equation
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14
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955
Orr Sommerfeld equation
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1
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640
Non quadratic potentials and quantization in QFT (home exercise)
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1
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730
Proving that e^{ikx} is primary with weight (h=\hbar = \alpha k^2/4)
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1
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752
Determine the Lagrangian for the particle moving in this 3-D cos^2 well
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6
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913
Exploring Solutions to Spin Evolution Equations
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9
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813
Do Coherent States Imply 0 Energy Uncertainty?
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5
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793
Unitary vector commuting with Hamiltonian and effect on system
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8
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949
Spacetime translations and general Lagrangian density for Field Theory
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5
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2K
My Epic Fail at Deriving an Equation with Lagrange
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16
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860
Calculate limit value with several variables
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3
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776
Analysis of the Ground Function: f(x) with $$f''(\bar{x})=0$$
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6
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747
The Energy Expectation Value for a Moving Hydrogen Atom
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4
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858
Determine the particles most probable position
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10
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921
Solving for degeneracy electron cloud temperature
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1
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653
Time Independence of the Momentum Uncertainty for a Free Particle Wave
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3
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1K
Probability density of a 1-D Tonk Gas
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1
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1K
Instantaneous Decay of Tritium into Helium
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5
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1K
If |a> is an eigenvector of A, is f(B)|a> an eigenvector of A?
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17
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1K
Relationship between magnetic field lines and magnetic field
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4
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1K
Canonical transformations
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19
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1K
What Does $$E^2_k|_{k=k_{res}}$$ Mean?
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3
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818
Show that this dephasing operation is Markovian
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1
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804
Find pupil locations w/ paraxial ray tracing (thick lens, Geary CH 5)
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7
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793
Compton scattering with off-shell photon
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1
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727
Sending drive Pulse in CQED and visualize the state by QuTip
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6
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1K
Conserved quantities via Poisson brackets
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6
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1K
Weird barometric formula experiment results in Excel
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22
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2K
Understanding the Equipartition Theorem for Ideal Gases
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4
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836
Hamiltonian of a Point particle on a frictionless plane
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2
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951

Advanced Physics Homework Help

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