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

High School Does acceleration affect impact energy vs constant velocity?

Optics

High School Volumetric Holographic Displays

Thermodynamics

High School Using battery energy to heat a battery…

Electromagnetism

Undergrad Colors in a plasma globe
Undergrad Error analysis: simple but confusing matter
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Undergrad Why does energy travel in waves?
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High School Why does my head feel heavy when I go out on a cold weather day?
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High School What is the RMS value in this context?
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Undergrad Coexistence of Solid and Liquid Matter: Conditions for Existing One Phase?
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Undergrad Air density with a significantly higher sea level
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High School Why is squaring used in physics equations?
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High School What is the difference between "Unitless" and "Dimensionless"?
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High School Is energy considered to be physical?
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Insights Intro to Physically Reasonable Waves on a String
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High School Help understanding the physics of airflow
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High School Upside down buoyancy (Have you seen this?)
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High School Dangers with a diving bell combined with a long snorkel
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Undergrad Liquid soap pulsing as it's drawn into a syringe
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Undergrad What are the applications of dimensional analysis and why does it work?
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Undergrad Vibrations of waves with pinned vs free boundary conditions
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Graduate How to get the second line of this equation from the first one?
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High School Non-linear Behavior, Chaos to Order
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Graduate What is the difference between aggregation, nucleation and growth?
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High School Dropsheet-duct tape wall in The Martian
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Undergrad Child's experiment to weigh air
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Undergrad Are there waves that go up and down without going below zero displacement?
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Undergrad New insights in penguin physics
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Undergrad A real life problem with plumbing at my house
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High School Can Vibranium Realistically Be Used in Hyperloop Construction?
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High School Measurement and Uncertainities
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Undergrad The total energy stored in a battery (theory/formula)
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Undergrad Why volume is conserved but not the surface area?
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High School Exponential formula for Excel sheet
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High School How to calculate the amplification of a cone
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Graduate Through the eyes of a being that can see two in dimensions
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Undergrad Blowing Bubbles in Space: Can You Create a Giant Bubble in the Vacuum of Space?
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Graduate Where Can I Submit a 15-Page Article on Educational Largangian Mechanics?
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High School Animation of a standing wave formed by components from a free end
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Undergrad Solve the Mystery of the Alarm Signal: Duncan's Story
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Undergrad Solve Mystery Equation - Get Insight into Relevance & Contents of Brackets
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Undergrad Difficult Series Battery Problem
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High School How is frost possible at 39 degrees F?
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Graduate Molecules Aggregating on a Surface that includes a Scratch
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Graduate What is meant by ##\rho_{xx}##?
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High School Would a Dyson sphere need a "relief valve?"
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Graduate Amplitude of a stationary wave
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High School Why are there no bubbles in a pipette when pressure is released?
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Undergrad Division of a physical quantity
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Undergrad Berkeley Physics Course- vol 3
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High School Why does coffee in a glass leaves its signatory on the surface?
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Undergrad Solving the Paradox: A Dynamical Model of Disease Spread
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High School Does a rubber mat on a device prevent static build up
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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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High School Diffusion behavior of particulates
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High School What Interesting Topics Can Be Explored with Dew Points and Relative Humidities?
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Graduate Help with Math: 2.28-2.29 to 2.31-2.34
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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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Graduate What are the most important open questions in classical physics?
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High School Another doubt I had while reading Feynman Lectures
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High School Does a vernier caliper have doubtful figures?
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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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High School Calculus for Beginners: Basics & Examples
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High School Hydraulic resistor as a constriction in a pipe
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High School Why does Sunset look different from Sunrise?
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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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High School How is a Scientific law/theory's accuracy tested?
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Undergrad EV per Torr*cm -- What does it mean?
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High School Reading a Book about Air Sustained Structures....
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High School 100sqft wormhole from sea level to outer space?
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High School I have a basic question about energy :)
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High School Blocking all type of energies/waves/signals
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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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High School Why are Biological Materials easily broken despite being very strong?
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High School Can Smaller Chequers Change the Color of a Spinning Red and Green Pattern?
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Undergrad Using the ni Formula from a Paper with N=7: What do I Get?
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High School Change in field strength if two variables are incremented at the same time
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High School Raindrops Cracking Windshields
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High School Where Does Energy Go in Young's Double Slit Experiment?
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How Do Van Der Waals Forces Influence Adhesion in Glue and Gecko Setae?
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Undergrad How can we quickly locate an avalanche victim using technical tools?
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High School Stratified Flows: Definition and Physical Meaning
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Undergrad Why is this equation used to much to describe Waves?
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Graduate Synchronization from dissipation?
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Undergrad Why do bubbles coalesce in liquids?
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High School What are the general calculus concepts used in classical physics?
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High School How to tell if a quantity is defined as a derivative or a ratio
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High School MRI vs Color X-Ray Technology: What Are the Differences and Benefits?
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Undergrad Need advice on vacuum / suction experiment
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High School Calibrating measurements from scratch
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High School What is the definition of angle?
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Graduate Signal Processing and the Duffing ODE
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High School Gaining Perspective on Valid Digits in Physics Problems
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Undergrad What distinguishes pressure from normal stress in bird transport phenomena?
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High School What is the meaning of the word "resolved"?
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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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