Join expert classical physics discussion on the principles developed before the rise of relativity and quantum mechanics. Including mechanics, electrodynamics, thermodynamics, optics.
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Graduate Open-Ended Air Columns: Natural Freq of Cylinder?
- Tam Le
- · Replies 4 ·
Undergrad Creating Paints/Colors outside of Visible Range?
- WWGD
- · Replies 17 ·
High School Ideal cells in parallel combination
- saurabh tiwari
- · Replies 12 ·
Undergrad Is Sonoluminescence Research Allowed on This Site?
- Ben Johnson
- · Replies 1 ·
High School How can the Doppler equation be rearranged to solve for other variables?
- Zoey Brown
- · Replies 1 ·
High School Accuracy Defined: What Does 10% Mean?
- sunmaggot
- · Replies 5 ·
Insights Frequently Made Errors in Equation Handling - Comments
- haruspex
- · Replies 15 ·
Undergrad What affects the linear mass density of a string?
- Samurai44
- · Replies 1 ·
Graduate Are Time Periods of Combined Vibrations Always Commensurable?
- NRa
- · Replies 4 ·
Undergrad Switching between distance variables in a simple seismograph
- shanepitts
- · Replies 3 ·
Undergrad Cofactor Matrix Confusion: Solving for Minor Determinants
- Wminus
- · Replies 2 ·
Undergrad Why does resonance only occur when objects have the same natural frequency?
- member 529879
- · Replies 15 ·
High School How Can Understanding Basic Physics Concepts Improve Everyday Problem Solving?
- AshUchiha
- · Replies 17 ·
High School Waves traveling in all directions
- member 529879
- · Replies 6 ·
Undergrad Aluminium oxide surface and conductivity?
- spareine
- · Replies 3 ·
Undergrad Can Huygens Principle Be Applied to Waves on a String with Fixed Ends?
- DaTario
- · Replies 1 ·
High School What causes waves to dissipate in different mediums?
- member 529879
- · Replies 7 ·
High School The History of Ticker Timers in Physics Experiments
- Parsa
- · Replies 7 ·
Graduate Scaling Interpretation for 2-D Continuity PDE: What Does UH/L Represent?
- member 428835
- · Replies 4 ·
High School Finding collected count when given average value.
- Hellreignz
- · Replies 2 ·
Graduate Is there a relationship between amplitude response and phase?
- manjuvenamma
- · Replies 1 ·
High School Classical physics history books
- Arlax
- · Replies 10 ·
High School Why does the meniscus radius increase when capillary tube length is too short?
- Joel Jacon
- · Replies 6 ·
High School Why does humming at a certain pitch echo loudly in a tiled bathroom?
- kay
- · Replies 8 ·
Undergrad Understanding Solitons: How are they different from standard waves?
- gentsagree
- · Replies 1 ·
Undergrad Solve Physics Puzzle Problem - 200 Puzzling Physics Problems
- c++guru
- · Replies 11 ·
Graduate Guitarist in search of practical answers
- GuitarBizarre
- · Replies 19 ·
Undergrad Is F in P=F/A an average or a sum of all microscopic forces?
- Greg777
- · Replies 1 ·
Graduate Structure of orbits at a tornado, whrilwind, etc.
- luckis11
- · Replies 1 ·
Graduate Rayleigh bubble collapse pressure integration derivation
- bksree
- · Replies 2 ·
Graduate The Standard Deviation of a Brownian Force
- abelthayil
- · Replies 1 ·
Undergrad Are waves always the sum of sine waves?
- Nick Jackson
- · Replies 8 ·
Graduate Deriving the formula for sine waves
- Nick Jackson
- · Replies 4 ·
High School A little question I want to ask
- Sundown444
- · Replies 6 ·
Undergrad Standing Waves and Resonance in Fixed-End Transverse String Vibration
- ofeyrpf
- · Replies 2 ·
Undergrad Components of standing wave between harmonic frequencies
- ofeyrpf
- · Replies 1 ·
Undergrad What is St. Elmo's fire enrgy source?
- Stanley514
- · Replies 10 ·
Undergrad Can a wave pass through a slot twice its amplitude wide?
- britney999
- · Replies 12 ·
Undergrad What defines density of chemical substances?
- Stanley514
- · Replies 4 ·
Graduate Can the Larmor formula explain the stability of electron rotation?
- MickaelPC
- · Replies 6 ·
Graduate Reference for Learning About Waves
- axsvl77
- · Replies 2 ·
Undergrad What Does Azimuthal Symmetry Mean in Physics?
- ahmad1992
- · Replies 2 ·
Graduate Does quality factor of a resonator depend on the excitation signal?
- shpongle
- · Replies 1 ·
What would crack easier? An iPhone 6 or an iPad air?
- Jbeats245
- · Replies 15 ·
High School Symbols for physics, geometry, calculus ext
- Simon = Mc2
- · Replies 6 ·
High School Physics Experiments to Do at Home
- Simon = Mc2
- · Replies 2 ·
Undergrad Suggestions on research paper on artificial satellites
- Crutchlow13
- · Replies 6 ·
High School How Fans Move Air: Propeller vs. Blade Shape
- bnvbnv
- · Replies 5 ·
Graduate How do macroscopic brownian ratchets extract energy from random vibrations?
- parsec
- · Replies 18 ·
Undergrad How is an emission spectrum measured and does it vary with time?
- rwooduk
- · Replies 6 ·
Undergrad Understanding Standing Waves and their Velocity on a String
- jlyu002@ucr.e
- · Replies 15 ·
High School Gravity flow rate through a tube from pressure difference
- Ruckus
- · Replies 7 ·
Graduate How to Fourier transform this expression?
- Steve Drake
- · Replies 1 ·
Graduate Measuring Viscosity of Materials with Dynamic Modulus
- gkiverm
- · Replies 3 ·
High School Teaching Error in Measurement Lab
- CSOleson
- · Replies 2 ·
Graduate 2D Harmonic Oscillator example
- fog37
- · Replies 13 ·
High School Why does air release differently from a slightly open versus a wide open mouth?
- kartikwat
- · Replies 7 ·
Graduate How Is Reynolds Stress Calculated from RANS Equations?
- member 428835
- · Replies 3 ·
High School Experimenting with CD: Making Bubbles with Physics
- Oomph!
- · Replies 1 ·
Undergrad Does Young's Modulus Vary with Changes in Size?
- gkiverm
- · Replies 5 ·
Graduate Aether Experiments: What's Your Take?
- user1
- · Replies 5 ·
Undergrad Difference between wavenumber and wave mode?
- sawer
- · Replies 10 ·
High School Progressive Wave Nodes: Why Don't They Exist?
- desmond iking
- · Replies 1 ·
Undergrad Can I equate a variation δA with the differential dA?
- ChrisVer
- · Replies 4 ·
Graduate What are free energy flows in multiphase fluid dynamics?
- Shishir_93
- · Replies 1 ·
Graduate Capillary meniscus height in coaxial tubes and with beads
- Alfred1
- · Replies 2 ·
Undergrad Why does diffusion happen at the molecular level?
- Oomph!
- · Replies 1 ·
Undergrad Why does less dense liquid float above more dense liquid?
- Oomph!
- · Replies 8 ·
High School Why Does Pepper Move to the Edge of the Plate in the Soap Experiment?
- Oomph!
- · Replies 1 ·
Graduate The formula pV=1/3Nm(c_rms)^2 in non cuboids
- GeneralOJB
- · Replies 2 ·
High School Why Does Water Rise in Empty Glass When Using a Paper Towel?
- Oomph!
- · Replies 1 ·
Undergrad Transformation Y-Δ with matrix?
- Jhenrique
- · Replies 1 ·
Graduate Can someone explain these equations?
- pierce15
- · Replies 4 ·
Undergrad Oscillator driving frequencies
- Saado
- · Replies 3 ·
Improving Cooling Efficiency: Two Effective Strategies
- arash karimi
- · Replies 2 ·
Undergrad How do glucose meters measure blood sugar levels?
- Nerdydude101
- · Replies 1 ·
Graduate When to use e^i(-kx+ωt) versus e^i(kx-ωt) for waves?
- 122520253025
- · Replies 6 ·
Passive flapping butterfly garden ornament?
- Stephen Tashi
- · Replies 2 ·
Undergrad Why cylindrical coordinates need three unit vectors
- PsychonautQQ
- · Replies 1 ·
High School Difference between physical property and physical quantity?
- christian0710
- · Replies 3 ·
Graduate How to compute the energy of scalar wave equation
- xortdsc
- · Replies 12 ·
Undergrad When to use gradient and when to use only one coordinate
- FaroukYasser
- · Replies 2 ·
Graduate Orienational order parameter in isotropic systems
- Liam79
- · Replies 1 ·
Undergrad Explain Poiseuille's Law - Learn Quickly
- SarcasticBunny
- · Replies 4 ·
Graduate How Can We Design a Solar Drone with Long Duration Flight and High Payload?
- yuiop
- · Replies 5 ·
Graduate Where can I find the derivation of the Group Velocity formula?
- PsychonautQQ
- · Replies 1 ·
Undergrad Maximizing Power Output with Piezoelements: A Comprehensive Guide
- Coldy
- · Replies 2 ·
Undergrad Doppler effect, source and receiver in different media
- nikolafmf
- · Replies 2 ·
What is program used in ray tracing simulation?
- einstein1921
- · Replies 2 ·
Graduate Diffusion: Concentration profile for point sink in infinite plane
- anvoice
- · Replies 5 ·
Undergrad Would wind tubine on moving automobile pomote inlet efficiency?
- kandyho
- · Replies 6 ·
Graduate High Repetitive Photocathode RF Gun
- parazit
- · Replies 6 ·
Undergrad Resonance feedback loop on guitar
- Normalization
- · Replies 4 ·
High School Why Does Fundamental Freq Have Largest Amplitude?
- Jimmy87
- · Replies 4 ·
Undergrad Understanding resonance curve symbols and transmissibility
- haisydinh
- · Replies 1 ·
Graduate Relationship between intutions on energy
- leo.
- · Replies 12 ·
Graduate Stability of the Classical Rutherford Atom: A Hydrogen Example
- lufc88
- · Replies 3 ·
Undergrad Do Standing Waves Occur for All Frequencies?
- tyneoh
- · Replies 27 ·
Graduate Complete Removal of Matter from Space
- brookssp
- · Replies 6 ·
Graduate An exact solution for the Navier-Stokes?
- gato_
- · Replies 2 ·