Classical Physics Forum

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Join expert classical physics discussion on the principles developed before the rise of relativity and quantum mechanics. Including mechanics, electrodynamics, thermodynamics, optics.

Mechanics

Undergrad Curl of velocity vector in rotational motion

Optics

Undergrad Higher magnification calibration slide

Thermodynamics

Graduate Why is 0 K unattainable?

Electromagnetism

Undergrad Small question about constantly accelerating charges
Undergrad Solve Mystery Equation - Get Insight into Relevance & Contents of Brackets
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Undergrad Difficult Series Battery Problem
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Undergrad Division of a physical quantity
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Undergrad Berkeley Physics Course- vol 3
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Undergrad Solving the Paradox: A Dynamical Model of Disease Spread
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Undergrad Cavity resonances between two long parallel plates
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Undergrad Standing Waves vs Traveling Waves
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Undergrad Writing about a simple physics lab
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Undergrad Nanoantennae calculation for covid-19
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Undergrad How can I understand valence bond theory and VSEPR theory?
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Undergrad Why does the arrangement of the Periodic Table make no sense?
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Undergrad Why Do Fractions Like 2/3 and 3/2 Frequently Appear in Physics Problems?
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Undergrad Derivatives of Energy: 2nd Time Rate of Change, Useless in Physics?
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Undergrad Removing moisture from polyester staples
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Undergrad Reynolds Number in Organism-Fluid Interactions
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Undergrad Why do Bubbles oscillate sinusoidally?
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Undergrad EV per Torr*cm -- What does it mean?
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Undergrad Question about Waves -- What does "Elongation" refer to?
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Undergrad Resonance gets sharper just by increasing the resonance freq, why?
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Undergrad Using the ni Formula from a Paper with N=7: What do I Get?
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Undergrad How can we quickly locate an avalanche victim using technical tools?
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Undergrad Why is this equation used to much to describe Waves?
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Undergrad Why do bubbles coalesce in liquids?
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Undergrad Need advice on vacuum / suction experiment
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Undergrad What distinguishes pressure from normal stress in bird transport phenomena?
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Undergrad Difference between stationary and steady state
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Undergrad Why a massive body is easier to break than a tiny body?
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Undergrad In what cases does dimensional analysis fail?
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Undergrad What is the connection between holograms and the implicate order?
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Undergrad What is the correct phrasing for matrix Bellman nonhomogeneous equations?
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Undergrad Calculating Energy and Q of a Vibrating String
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Undergrad The fast Fourier transform and droplet frequencies
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Undergrad Thread attempt 2: Edge physics trying to understand
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Undergrad Basic doubt on chain rule in DAlemberts soln to wave equation
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Undergrad D'Alembert's solution to the wave equation
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Undergrad Understanding Waves: The Importance of Fourier Analysis in Undergraduate Physics
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Undergrad Optimal Copper Pipe Size for Misting System
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Undergrad Would an unstable emulsion separate in the abscense of gravity? How?
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Undergrad I'm confused about the effect of gravity anomalies on sea height
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Undergrad High resolution visible spectrum
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Undergrad Tone vs hole size & spacing in a short tube
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Undergrad Is this allowed? - Harmonic oscillation
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Undergrad How is Peter Debye's name pronounced?
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Undergrad Understanding LaPlace's Law: Tension in Pressure Vessels Explained
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Undergrad How do you exactly calculate the theoretical maximum efficiency of an LED?
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Undergrad Joukowsky Equation: Applies to Gases Too?
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Undergrad Is x{hat} a unit vector and why is theta a vector?
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Undergrad Do linear AND dispersive waves exist outside of QM?
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Undergrad The continuity equation and the divergence
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Undergrad Mathematical Procedure for Obtaining Velocity Profile in Laminar Flow
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Undergrad Wave equation and the d'Alembert solution
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Undergrad How Do I Calculate the Mass of a Planet Using a Simulation?
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Undergrad Are Reynolds Vortices a Real Scientific Phenomenon?
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Undergrad Microphones at longer wavelengths than their size?
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Undergrad Can Mummies Be Used as Fuel for Steam Locomotives?
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Undergrad What is a stochastische dynamische systeme?
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Undergrad Rippled surface on lake ends abruptly
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Undergrad What kind of old physics tube is this?
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Undergrad Removing a node in Y-Δ transform
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Undergrad One dimensional wave, function of a wave
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Undergrad How have changes in table tennis racket design affected the game?
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Undergrad What is the origin of x=e^(rt) in Simple Harmonic Motion?
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Undergrad Understanding Waves on a String
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Undergrad Paddle convex and concave sides and forward propulsion
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Undergrad Why does the wave equation describe certain phenomena
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Undergrad Helmholtz resonator with multiple necks--formula?
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Undergrad Classical waves and the Doppler shift
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Undergrad SI definition of second: what day/year is the reference year
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Undergrad Physical examples of different types of bifurcation
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Undergrad Effect of impedance changes less than a wavelength
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Undergrad Could Different Attractors Explain Variations in Lyapunov Exponents?
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Undergrad Liouville operator time dependency
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Undergrad When to use which dimensionless number
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Undergrad Diameter affecting string's impedance
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Undergrad Some help with deriving svedberg equilibrium equatio please
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Undergrad Fluid separation in boundary layer
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Undergrad How can I amplify and shift the phases of a complex waveform in MATLAB?
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Undergrad Anyone recognize this equation?
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Undergrad Pneumatic/hydraulic energy storage
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Undergrad Head loss in a circuit of pump and pipes
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Undergrad Suction Cavitation in Pumps: Causes and Frequency
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Undergrad I don't understand the derivation of the wave equation
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Undergrad Interpretation of spatially dependent convective derivative
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Undergrad Understanding Equation (2.34) in Heald and Marion: A Step-by-Step Derivation
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Undergrad Physics -- Need help understanding the concept of resonance please
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Undergrad Problem sets between universities
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Undergrad Higbie's penetration theory in a bubble
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Undergrad How to identify if a system exhibits chaos?
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Undergrad What Are the Best Dimensions and Materials for High Vacuum Transparent Tubes?
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Undergrad Glass Breaking -- What causes this characteristic fracture pattern?
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Undergrad Chaos vs purely exponentially growing systems
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Undergrad Limitations of Dimensional Analysis in Predicting Proportional Relationships
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Undergrad Can the Differential Pass in the Beginning Part of a Change in Vector Product?
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Undergrad Relationship between standing wave and resonance?
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Undergrad Debunking the Myth of the Devil's Racetrack in Death Valley
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Undergrad D'Alembert's Solution – Domain of dependence
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Undergrad Shear Rate in a Rectangular Channel
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Undergrad Using physics to predict the outcome of a roulette wheel
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Undergrad Where does the formula I = -e/T comes from?
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Undergrad What Unit Results from Dividing Joules per Kilogram by Meters?
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