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 Pumping water upwards into a large water tank

Optics

High School Volumetric Holographic Displays

Thermodynamics

Peltier thermopar for hand heat charging battery

Electromagnetism

High School Electric Fields inside Conductors & Gauss' Law
Undergrad Why is water pressure increased in a plastic bag in a bucket?
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High School How much lower would a sheep be expected to jump if on a steep upward slope?
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Undergrad Is a half submerged object submerged in its own displaced water?
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High School Fan is pushing in the front and sucking from the back
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Undergrad Understanding the Coriolis force
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High School Automobile Does Front Flip
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Undergrad Capacitor Voltages at t = 0: Zero or Split?
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High School Internal energy and gravitation
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Undergrad What is the pressure of trapped air inside this tube?
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Graduate Static Electricity foam balls
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High School Which technique has been used? (drowning victim recovery in a lake)
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Undergrad What areas of maths and physics do I need to understand explosion physics?
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Undergrad Confusion about derivation of equation in Gregory
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High School 'splain this hydrostatic paradox in tiny words
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Undergrad Explain Bernoulli at the molecular level?
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Graduate Advice for 100 MHz resonator
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High School What qualities does time have other than linearity, motion, and speed?
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High School Ultrasonic wave and regular sound wave
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High School Use Surface-Volume to approximate gravity for planets and protons
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Undergrad What does the Lattice Boltzmann Equation actually say?
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High School Slow Motion Appearance of Flags: Fluid Dynamics or Perceptual Illusion?
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High School Symbol for temperature on the Fahrenheit scale
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Undergrad Problems with Blum's Karate Article
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Undergrad Are 1D Longitudinal Waves Reflected at an Open End?
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High School How Did Scientists Develop and Validate the Atomic Model?
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Undergrad First law of this universe
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Undergrad Focusing sound waves from the environment
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High School Conservation of energy demo -- An upgrade to the standard version
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High School Why do things burn up in the atmosphere but not in the ocean?
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Undergrad A Mathematica code to plot two functions on the same screen
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Undergrad Need help for ultrasonitc atomizer (transducer)
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Undergrad Standing Waves by Reflection: Losses of the Reflected Wave
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Undergrad Pulse bouncing off ends of a tube, expressed as sum of sine modes?
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High School Power from global loop power cable ?
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Undergrad Bouncing sound pulse in cylinder, driving vibrations in shell
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Undergrad Help me to understand how integrating this function works
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Undergrad Do vocal tract resonances assist a singer's pitch control?
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Undergrad Which radiation between infrared and microwave is more penetrating?
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Undergrad Frequency components that remain fixed when singing a scale
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High School What is the speed of "motion"?
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Undergrad Water column object insertion and energy recapture
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Graduate Hamiltonian formulation of classical mechanics as symplectic manifold
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Undergrad Singing Crystal Wineglass -- Does the wine mass determine the pitch?
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Undergrad Why is the Cross Product Used in Mathematics? Understanding its Role and History
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Undergrad Wave motion and a stretched string
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High School Simulate an altitude at 16000-18000 feet with water depth
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Undergrad Calculating Watt Hours for a time interval less than 1 second
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Undergrad How is the mass of the Earth or the Sun measured?
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High School Is this equation at all sensical?
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Undergrad Some questions regarding Acoustic wave reflection
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Undergrad How does pi in physics relate to circular motion and waves?
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High School Tangential Velocity (maybe)
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High School Can Ionic Compounds conduct electricity in a gaseous state?
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Undergrad What happens to X-rays if they do not meet Bragg's law?
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High School Confusion about Wave Motion
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Undergrad Regarding noise propagation
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Undergrad Gravity at Earth's poles vs equator
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Undergrad Does a component of a vector have components?
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Undergrad Sealing vacuum chamber holes air tight
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Undergrad Why is saxophone growling produced by modulation of the sound waves?
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High School My head spins when I think about time
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High School If the source of the pressure distribution around a lifting airfoil is known, why is not explained in textbooks?
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Graduate Electron drift velocity in a gas discharge
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High School Can sound travel through clay?
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Undergrad Gas Pressures and the Resistance of Materials (Biodigester Generates Methane)
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Undergrad Fluorescent lamps And Fan remote
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High School Is an ellipsoid the best shape for a BBQ?
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Undergrad Claude Naiver work on Navier-Stokes equations
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Undergrad What is Surface Plasmon Resonance?
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Undergrad What are the properties of a Sound Pressure Wave going down into a Cone?
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Undergrad Using a tuning fork vs computer tuner for violin
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High School Sound Intensity doubles if number of noise sources double?
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Undergrad Could vibration carry electricity or something else?
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High School What Causes the Void Formation in Discarded Yogurt During Disposal?
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High School Sine wave noise at different frequencies
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High School Airflow around a vertical cylinder (such as a cigar)
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Undergrad Infinite flow with capillary tubes?
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Undergrad Feynman lectures on physics: random walk
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High School Why Do Poached Eggs Stay In The Center?
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High School Is the Longer Path Quicker in Physics?
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Undergrad Sound power, amplitude, frequency, and decibels
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Undergrad For fun: How fast would an open-front CRT kill an average human? [A?]
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  • Redirect
Can a mathematician solve high school physics tasks without physics knowledge?
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High School Log relationship between thickness of material and sound absorbed?
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Undergrad Why singing a note while playing a note creates a difference frequency
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High School Conversion of Potential Energy: Sound or Heat?
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High School Speed of sound in steel at different temperatures?
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High School Why does a plasma ball emit light?
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Undergrad Understanding Ultrasound Attenuation and Reflection in Aluminum Sheets
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High School What is the difference between standing wave and resonance?
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Undergrad What happens if you connect the ocean floor and the surface with a pipe?
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Undergrad How Can I Create a Flavored Coating for Ice Spheres in Cocktails?
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Undergrad Is nonlinear acoustics in mainstream physics?
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Undergrad Uncertainties accumulate when measuring longer lengths?
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Undergrad Reported uncertainties for time and distance in physics experiment
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High School How to statistically calculate the final value?
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Undergrad How does a free surface flow cause non-linearity?
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Undergrad Can Ultrasound Be Used to Penetrate Through Air and Bone?
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Undergrad Understanding Ultrasound Blocking: Effects on Energy, Reflection, and Absorption
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High School Non-Sinusoidal Standing Waves Existence?
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