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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Undergrad Molecular Geometrical Representation
- y33t
- · Replies 2 ·
Graduate How much of visible sky is occupied by CO2?
- lancelot
- · Replies 5 ·
Graduate Simple model for evaporation animation with particles leaving a surface
- Steger
- · Replies 4 ·
Undergrad How does a salt bridge prevent charge buildup in a galvanic cell?
- gkangelexa
- · Replies 1 ·
High School Why is glass transparent and solid?
- i.mehrzad
- · Replies 13 ·
Graduate Unit reduction is not making sense, what's going on?
- unreal89
- · Replies 6 ·
Graduate Can energy-interfered waves be used in encryption?
- thebiggerbang
- · Replies 17 ·
Graduate What causes materials to be lossy and how can this loss be measured?
- randomafk
- · Replies 2 ·
Graduate Is the maximum of a function in 3 space a constant?
- yungman
- · Replies 2 ·
Undergrad Does halving string length increase pitch due to mass or length?
- bugler777
- · Replies 13 ·
High School Whats the difference between progressive wave and stationary waves ?
- Nidzz93
- · Replies 43 ·
Undergrad Why do tsunami waves and vortex rings translate instead of oscillating in place?
- scoutfai
- · Replies 12 ·
Undergrad Does a continuous disturbance from a point constitute one wave or multiple waves?
- spaghetti3451
- · Replies 7 ·
Graduate What is the Approximation for Retarded Time?
- noamriemer
- · Replies 2 ·
Graduate Optimal Performance of a Water Molecule Vessel in Ocean Conditions
- aussie101
- · Replies 8 ·
High School Does earth's density insulate space from its center, causing gravity?
- Pocketwatch2
- · Replies 3 ·
Undergrad I once came across a Wikipedia page describing a system where
- Apteronotus
- · Replies 2 ·
High School What is Shear in Materials Science?
- austincb90
- · Replies 1 ·
High School How 2 Notes Combine on Piano Keyboard
- pkc111
- · Replies 39 ·
Graduate Why do scientists discuss vacuum conditions if vacuums don't actually exist?
- darkchild
- · Replies 4 ·
High School Does close systems really exist?
- nouveau_riche
- · Replies 17 ·
High School Can someone explain the harmonic oscillator for beginners?
- Erbil
- · Replies 2 ·
Graduate Solve World Physics Olympiad (WOPHO) Problems Together
- umciukas
- · Replies 9 ·
Undergrad Where is the Phase Diagram for X and XDot?
- dirac1902
- · Replies 2 ·
High School Why Do Many Physical Phenomena Exhibit Wave Behavior?
- garfield1729
- · Replies 37 ·
Undergrad Inverse square law and infinite intensity
- fluidistic
- · Replies 5 ·
Undergrad Which shock is dangerous: 1.High V &Low I. 2.Low V & high I.
- waqarrashid33
- · Replies 24 ·
Graduate Self-Diffusion, two versions of mean square displacement
- Derivator
- · Replies 1 ·
Undergrad Why is force inversely proportional to distance?
- l-1j-cho
- · Replies 10 ·
High School Using only intuition, about a locked thread
- fluidistic
- · Replies 21 ·
Graduate Solving the Wave Equation with Method of Characteristics
- marioooo
- · Replies 12 ·
High School Can a siphon work from vacuum in a sealed reservoir?
- antekatavic
- · Replies 66 ·
Graduate Mass Air Bubble: Negative Effects in Material Medium
- Himal kharel
- · Replies 3 ·
Inflating Tyres: Is it Possible to Make Them Lighter?
- Himal kharel
- · Replies 4 ·
Undergrad How do I derive viscosity equation
- jubaaa
- · Replies 3 ·
High School Will a steel ball weigh less in alcohol or oil?
- naicidrac
- · Replies 14 ·
Graduate Why does the Larmor frequency induce resonance in NMR precession?
- Roo2
- · Replies 2 ·
Graduate Physical explanation of Kronig-Kramers application
- singhvi
- · Replies 2 ·
Undergrad Can you harvest a sails energy withouth movement?
- dboy18
- · Replies 2 ·
Undergrad Why doesn't resonance result in infinite energy transfer?
- ckuze
- · Replies 13 ·
Graduate Which is the proper formula for mag-monopoles attraction?
- jumpjack
- · Replies 3 ·
Graduate Mean free path in units g/cm^2
- go quantum!
- · Replies 1 ·
High School Which Formulas have this format?
- [V]
- · Replies 3 ·
Undergrad Why do centrifugal pumps need priming but blowers don't?
- anshul144
- · Replies 8 ·
Undergrad Understanding Degrees of Freedom in Calculating Molecule Kinetic Energy
- elabed haidar
- · Replies 8 ·
Undergrad What are the toughest physics exercise books?
- fgyamauti
- · Replies 1 ·
Undergrad How does energy transmission work in waves?
- Owen-
- · Replies 4 ·
Undergrad How does analog video acquisition work?
- splitringtail
- · Replies 4 ·
High School What is an undeformable model in classical mechanics?
- Kongys
- · Replies 2 ·
High School Why Don't Waves Freeze in Water?
- CarbonWater
- · Replies 16 ·
Undergrad What Are the Physics Behind Exponential Horns and Air Expansion?
- HengHY
- · Replies 1 ·
Undergrad Why do brass instrument bells transfer sound efficiently?
- michaelp7
- · Replies 8 ·
Undergrad Why is the energy not conserved when adding waves?
- Daker
- · Replies 3 ·
Undergrad Why doesn't any frequency cause resonance in glass
- Anonymstudent
- · Replies 2 ·
High School Which Liquid Lubricant Replaces Grease for Bicycle Chains?
- Arjun Ar
- · Replies 9 ·
Undergrad Finding identification for unknown spectra
- Fjolvar
- · Replies 1 ·
Undergrad Wave equation derivation Why is the angle assumed to be small?
- McLaren Rulez
- · Replies 2 ·
High School How do opaque objects have colour?
- TheJoninator
- · Replies 2 ·
Graduate Where did the terms \overline{E \overline{P}} - \overline{\overline{E} P} go?
- Radiohannah
- · Replies 2 ·
Graduate Radial pressure gradient in subsonic compressible flow through curved ducts
- komega
- · Replies 2 ·
Undergrad How can I calculate the angle of tilt for moon phase at my location?
- snorkeler
- · Replies 1 ·
Undergrad Physics of a chemistry experiment
- Fewmet
- · Replies 4 ·
Undergrad Shutting down the sprinkler system
- Tregg Smith
- · Replies 5 ·
Graduate How Does Rubidium Iodide Electrolyte Affect Pseudocapacitor Energy Density?
- Stanley514
- · Replies 2 ·
High School Type of mechanism is mounted on the living room?
- jaquecusto
- · Replies 5 ·
Undergrad Was Feynman right about energy?
- Pengo
- · Replies 9 ·
Graduate Solving Forced Wave Equation with Causal Boundary Conditions
- nickthequick
- · Replies 3 ·
Undergrad Does the Cheerio Effect Occur in Zero-Gravity?
- GRB 080319B
- · Replies 2 ·
Graduate Deriving 1D Wave Equation for Vibrating Guitar String
- deadstar33
- · Replies 5 ·
Undergrad Why does a spinning top rise when released?
- deepthishan
- · Replies 4 ·
Undergrad Hi i'm an applied maths student i'd like to study about catenary
- princy
- · Replies 2 ·
High School Are Tiles Non-Conductors? Earth Safety in Physics Lab
- waqarrashid33
- · Replies 6 ·
High School LEDs for Growing Indoor Plants: Efficient Luminous Efficacy
- arch3r
- · Replies 1 ·
Undergrad What do differentials mean in dynamics and thermodynamics equations
- xmedium
- · Replies 4 ·
Undergrad How Should Wind Turbine Blades Be Designed for Maximum Efficiency?
- lukedimarco
- · Replies 3 ·
High School Why Do Feet Sink in Sand on Beaches?
- abhiroop_k
- · Replies 2 ·
Undergrad Correct exaggerated drawing of tides
- twain
- · Replies 7 ·
Graduate One-dimensional model of Rayleigh-Taylor instability in diffusion-convection
- TboneWalker
- · Replies 2 ·
Undergrad Revolutionizing Coast Guarding with Buoyant Capsule Technology
- Raama
- · Replies 9 ·
Undergrad Gravitation law equation as R approaches zero
- pconstantino
- · Replies 4 ·
High School Can You Create a Smoke Ring Using Only Air in Cold Weather?
- kompabt
- · Replies 1 ·
Undergrad Finding atmosphere mass and volume from g and temperature
- brainfuel
- · Replies 5 ·
High School Why positive or negtive pole of battery can not attract small objects ?
- magnetar
- · Replies 23 ·
High School What are some award-winning, easy, and cheap science fair project ideas?
- kashyapdatta
- · Replies 1 ·
Graduate Order parameter, correlation function and length
- TheDestroyer
- · Replies 3 ·
Undergrad What happens to energy in standing waves?
- Shing
- · Replies 21 ·
What is electric dipole moment?
- study.bug
- · Replies 1 ·
High School Is there some sort of state of matter between a liquid and a gas?
- partialfracti
- · Replies 3 ·
Undergrad Finding Polar & Azimuthal Angles of 3D Vector
- susantha
- · Replies 3 ·
High School Do you burn the same calories running on a treadmill vs outdoors?
- teodorakis
- · Replies 13 ·
Undergrad Low absorption , high absorption
- Vor
- · Replies 2 ·
High School How can I teach tire physics to my class?
- sharming14
- · Replies 14 ·
Graduate Lorrain & Corson: Help with Derivation of Fig 18.9/7.20
- classy cal
- · Replies 2 ·
Graduate Wave reflection and resonance on strings
- pinsky
- · Replies 1 ·
High School Doppler Effect from Physics 101
- Ut-Napishtim
- · Replies 1 ·
Undergrad How Can Amplitude Decay be Modeled with a Pendulum and Friction Coefficient?
- satori20
- · Replies 1 ·
High School Does 1 cubic meter of air really weigh 1kg?
- quantum123
- · Replies 7 ·
Graduate Modeling climate with rigid bodies
- dwnielsen
- · Replies 2 ·
Undergrad Why Do Equations for Doppler Effect Differ for Moving Source and Observer?
- Terocamo
- · Replies 5 ·
High School Why does uncertainty ±0.1 cm give different significant figures?
- balboa
- · Replies 7 ·