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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High School Some questions about terminology
- AndyCh
- · Replies 6 ·
Undergrad Why Does a Fluid Jet Become Unstable at Wavelengths Exceeding Its Perimeter?
- larsa
- · Replies 1 ·
Undergrad What is the significance of calculating the average value of cos?
- srhelfrich
- · Replies 6 ·
Undergrad Original references for Hertz's experiments
- qnach
- · Replies 4 ·
Undergrad Quick brainteaser - Unknown objects and liquid volume/height
- rwooduk
- · Replies 8 ·
Undergrad Can a Non-Conductor Function as an Antenna for 1 cm Waves?
- qnach
- · Replies 23 ·
Graduate Can someone explain this plot of the Orr Sommerfeld equation?
- Navier-Stokes
- · Replies 1 ·
High School Is energy transferred as a wave or particle in classical physics?
- Naman Jain Kota
- · Replies 4 ·
Graduate Viscous fluid in granular material (DAPL)
- jman31415
- · Replies 2 ·
Undergrad Shrunk and thrown into a blender
- tommy01
- · Replies 11 ·
Undergrad Equal a priori probability and phase space distribution
- Getterdog
- · Replies 10 ·
Undergrad How Do You Calculate Error with a Single Measurement in Physics Lab Reports?
- Derik
- · Replies 5 ·
Undergrad Gravitational force at the Earth's centre
- Grahame1
- · Replies 4 ·
High School Clear definition of microgravity?
- Logerah
- · Replies 1 ·
Graduate Stream functions and flow around sphere/cylinder
- member 428835
- · Replies 2 ·
Graduate Head Injury at Swimming Pool: Are Pool Tiles at Risk?
- meni2222
- · Replies 1 ·
High School Difference between note, tone and mode
- donaldparida
- · Replies 4 ·
Undergrad Why do rubber boots get stuck in deep mud?
- Lightsyn
- · Replies 3 ·
High School Explaining vectors and scalars with coordinate invariance
- Frank Castle
- · Replies 11 ·
Undergrad Are there always multiple copies of you walking just beside you?
- Happiness
- · Replies 3 ·
Undergrad Can two opposing vacuum exhausts create a vortex between them?
- Keith_McClary
- · Replies 12 ·
Undergrad So is all energy a function of one of the 4 forces?
- ebos
- · Replies 2 ·
High School Struggling to understand a consequence of Pascal's priciple
- Johnls
- · Replies 20 ·
Graduate Deriving the Young-Laplace equation from surface energy and work
- member 428835
- · Replies 1 ·
Undergrad Where to learn the mathematical tricks in Morin's problems
- RubinLicht
- · Replies 4 ·
Undergrad What is “normal” about normal frequencies and normal modes?
- AntonPannekoek
- · Replies 4 ·
High School I don't understand how this was manipulated
- Saippo
- · Replies 1 ·
Undergrad Physical Meaning of complex wavenumber?
- snejburg
- · Replies 2 ·
High School What is this physics classroom object?
- roger ryan
- · Replies 9 ·
Undergrad Is a compression pulse always followed by rarefaction in a longitudinal wave?
- abhinavjeet
- · Replies 1 ·
High School Whatever Happened to the Bell V Interferometer for Gravitational Waves?
- houlahound
- · Replies 2 ·
Undergrad Meniscus Formation: Increase Free Surface Area of Water
- abhinavjeet
- · Replies 1 ·
Undergrad Why Do Standing Waves Form with Two Free Ends?
- huyhohoang
- · Replies 2 ·
High School What is the relationship between the labeling system and resistivity of pencils?
- houlahound
- · Replies 9 ·
High School How many joules expended for a push up?
- wannab
- · Replies 11 ·
Undergrad Understanding Poiseuille Equation
- fog37
- · Replies 1 ·
Graduate Why are vibrations so common in nature?
- larsa
- · Replies 13 ·
Undergrad If fields fill all of space, how do they have room to move?
- Pjpic
- · Replies 11 ·
Undergrad How can we distinguish classical physics and modern physics?
- Aafia
- · Replies 11 ·
Undergrad Does a more energetic particle have to be larger in size?
- Pjpic
- · Replies 33 ·
Undergrad Crum's shell effect - visualisation needed
- rwooduk
- · Replies 1 ·
Graduate Dye behavior around a rotating cylinder in water
- Hita
- · Replies 3 ·
Undergrad What is "making the time integration redundant"?
- Happiness
- · Replies 3 ·
Graduate Ondes Planes : Explication et Signification
- mathben
- · Replies 2 ·
Insights Frequently Made Errors in Vectors - Elementary Use - Comments
- haruspex
- · Replies 2 ·
Undergrad Bubble cavitation - what does a dash mean?
- rwooduk
- · Replies 7 ·
Undergrad Simplifying an equation with the same value inside and outside an exponential
- Amany Gouda
- · Replies 1 ·
Undergrad Is it possible to suck air out of drilling hole completely?
- ahmed11
- · Replies 21 ·
Graduate The Wiedemann Effect: Magnetization Inducing Torsion?
- vin300
- · Replies 5 ·
Undergrad Where Does the Energy in a Standing Wave Go?
- Mr Davis 97
- · Replies 2 ·
Graduate Landau's Books - Vibration - flexible string
- diamon76
- · Replies 1 ·
Graduate Normalization of a pair distribution function
- Korbid
- · Replies 2 ·
Undergrad Definitive measurement that determines state of matter?
- curiousoldguy
- · Replies 4 ·
Undergrad Area of Ring Element: Puzzling Out dA
- influx
- · Replies 4 ·
Graduate Wave Equation for Circular Waves
- greswd
- · Replies 8 ·
Graduate Does a cube planet follow Kepler's laws in orbit?
- james_dear
- · Replies 18 ·
Undergrad Who Plays Saxophone? - Questions on Resonance Modes
- Anton Alice
- · Replies 6 ·
Undergrad How do I determine the exact shape of an airfoil blade for my wind turbine?
- Frankie.S
- · Replies 10 ·
Undergrad Why can't vectors be defined by magnitude and direction alone?
- hokhani
- · Replies 2 ·
Undergrad When is pressure energy minus gravitational potential energy in fluid dynamics?
- BobP
- · Replies 8 ·
Video of guitar strings from inside guitar
- bcrowell
- · Replies 4 ·
Graduate Why does spin-spin coupling cause splitting in NMR spectroscopy?
- BobP
- · Replies 13 ·
Undergrad Diffusion = sedimentation at 1g?
- twall11347243
- · Replies 25 ·
Undergrad Why Does Distance Not Affect Frequency in the Doppler Effect?
- JeremyG
- · Replies 3 ·
Undergrad Location and intensity prediction of wave energy
- OTed
- · Replies 4 ·
Undergrad How do you calculate a thickness dependant impedance to a so
- rwooduk
- · Replies 4 ·
Graduate Is a line observable(in real life)?
- hackhard
- · Replies 5 ·
Graduate Can vacuum store potential energy and drive universal expansion?
- Docak
- · Replies 18 ·
Graduate How do two stripy k-space images reconstruct a white circle?
- BobP
- · Replies 9 ·
Graduate Analytical Exp[((-i Phi)/2)*h3]
- hemza
- · Replies 1 ·
High School Can there be an equation for coins?
- teachmind
- · Replies 5 ·
High School Is that definition of waves correct?
- Cliff Hanley
- · Replies 10 ·
Undergrad What exactly does 'x-vt' mean in the wave equation?
- Jayxl
- · Replies 17 ·
Graduate Bifurcation between two oscillations
- onkel_tuca
- · Replies 2 ·
Graduate Can MRI Fringe Fields be Mapped in a 3D Space?
- arashazizi
- · Replies 10 ·
Undergrad Gas solubility in gas versus liquid
- rwooduk
- · Replies 6 ·
Undergrad Calculating Copper Density: Is My Bar Pure?
- CuriousMister
- · Replies 3 ·
Graduate What species form when a gas ionizes into plasma?
- rwooduk
- · Replies 4 ·
Graduate Face Probabilities of Archimedean Solids
- Spinalcold
- · Replies 1 ·
Undergrad Why is the wave equation a second order differential?
- thegirl
- · Replies 10 ·
Graduate Harmonic oscillator derivation
- pabilbado
- · Replies 2 ·
Undergrad Heads or tails? (Question from Feynman lectures)
- #neutrino
- · Replies 4 ·
Graduate Can quantum physics explain the workings of transmitters and receivers?
- ghost313
- · Replies 9 ·
High School Phase difference between two points in a stationary wave
- Janiceleong26
- · Replies 13 ·
High School Are reversible processes real or only mathematical abstractions?
- Jimster41
- · Replies 45 ·
Undergrad Is Propulsion Physics Part of Nuclear Physics?
- robbie.kpm
- · Replies 10 ·
High School Is Newton's Concept of Space Still Relevant in Modern Physics?
- thinkandmull
- · Replies 4 ·
High School Differences between equations of SHM
- castor
- · Replies 7 ·
Undergrad Could 2 dimensional objects fill a 3 dimensional space?
- Nav
- · Replies 2 ·
Undergrad Standing waves on a moving string
- d7vid
- · Replies 8 ·
Undergrad Is there a solid with such a low density, it floats in air?
- Alex299792458
- · Replies 18 ·
Graduate Navier-Stokes Equations for a Compressible Fluid
- Physicist97
- · Replies 22 ·
High School Does viscosity have to do with density?
- Alex299792458
- · Replies 14 ·
Graduate Why can't pinging excite singing overtones?
- spareine
- · Replies 9 ·
Graduate Does fast shear wave speed vary with polarization in anisotropic materials?
- fannyfanfanz
- · Replies 2 ·
Graduate Odd (pretty) waveform for third harmonic of violin E-string
- Ethan B.
- · Replies 6 ·
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 ·