Classical Physics Forum

Undergrad A Few Questions about Resonance

Undergrad Purpose of natural log in gibbs free energy equation

Graduate Studying Longitudinal Oscillations of a Stick

Undergrad What do you know about ion thrusters?

Graduate What is the correct way to calculate streamlines of a vector field

Undergrad Can someone verify a computational result for me?

Undergrad Vacuum chamber for filling bee comb

Graduate Transverse Wave equation for a string of changing length?

Undergrad Classical spin system. Ising model.

Undergrad Mathematical model for hookah air flow

High School Downloadable incandescent spectrum

High School Why does air density decrease as we go higher in altitude?

High School What sort of experiments can be doen with Graphite ?

Undergrad What is a simple rule of thumb for determining beat patterns of multiple waves?

Undergrad Contact angle of liquid drop on solid surface.

Undergrad Chemitrails/Contrail and factors

Undergrad Why does the phase constant shift a wave in the equation y(x,t) = ym*sin(kx - wt - φ)?

Undergrad Why does Neon gas sometimes glow brilliant white ?

High School Can metal skewers help bake the perfect cake?

Undergrad What is the significance of phase constant in the wave equation?

Undergrad Desciribing intensity of human scream?

Undergrad Motorcycle speed in a train, short circuits, and circuit resistance

High School Air volume released from pressurized tank through valve

Undergrad Conductivity of metals at 0 kelvin?

High School Is the US Prepared for an EMP Attack?

High School What is the volume of these round pipes?

Graduate Where can I find examples and resources on the 3-body problem?

Undergrad What is the equation for a transverse wave with periodic boundary conditions?

Graduate Are There Real-World Examples of Asymptotically Stable Nodes?

Graduate How is earth resonance,EM stationary wave and ELF related to transmit energy?

Undergrad Is g affected by other sources of gravity?

Undergrad Finding the air cavity resonance of a propane tank for a drum.

Undergrad Simple sinusoidal wave can't convey information?

Graduate Standing waves on arbitrary membrane

Graduate Why the core spin faster than the manlte

High School If everything has energy Which thing can be an energy source?

Undergrad Why is there an antinode at the open end of a tube?

High School Why do physics exist? objects interacting ect?

High School Can Quartz Crystals Convert Heat to AC Electricity?

High School Why do different elements occupy the same volume as gases but not as liquids?

Undergrad Zero gravitation is it possible

Graduate What is a space/spatail harmonic?

Undergrad Wavelength vs period for time-dependent harmonic oscillations

Undergrad The meaning of vector/cross product

Graduate Boundary condition problem for diffusion equation

Undergrad Is Energy Scalar or Vector, and How Does Dimensionality Affect It?

High School Why Do We Experience Two Tides on Earth Simultaneously?

Graduate Gravitational Constant Measurement ?

High School What is s for length derived from?

Graduate The Rayleigh-Plesset Equation for Sonoluminescence

Undergrad Where does reduced mass come from and what is its physical significance?

Graduate What are the equations for whistling in a convoluted tube?

High School What happens to cohesive forces when things break?

High School How does a gyroscope work without math?

Undergrad Why are exponential functions dimensionless?

Undergrad Where Can I Find a Pressure-Temperature Phase Diagram for Pure Methanol?

High School Why do I panic and forget physics formulas during timed tests?

High School How many significant figures do 0.0 and 0.0000 have?

Graduate Markov property and chemical oscillators

Undergrad Plastics to tolerate -300F for liquid nitrogen generation

High School Ion Thrusters - How much do they cost?

Undergrad Algae producing oxygen in diving cylinder?

Undergrad Why does the wave equation for a string apply to all types of waves?

Undergrad What does the Centroid of area under Rate vs Time plot represent?

Undergrad Which path does gas prefer to flow to when pressure is equal

Undergrad How was a unit of energy first defined?

• Poll

Graduate A quick poll on a semantic matter

Graduate Noise term η(t) in Langevin equation

Undergrad BTU rating of Earth below frost line

Undergrad How effective is torricellian vaccum?

Graduate Gravitational field Strength Inside the Earth

Undergrad Parallax during the earth's orbit?

Undergrad Reciprocity theorem and ideal gas law

Graduate How Does an Obstacle Affect Wave Parameters?

Graduate Adding or removing energy from a guitar string.

Undergrad Probability of past vs future events

Graduate Pascal's law out of statistical physics

Undergrad Can wind chill cause frostbite at above freezing temperatures?

Graduate Why partial derivatives in continuity equation?

Graduate Why use primed coordinates for this

Undergrad Longitudinal/Transverse oscillations

High School Musical instruments - beats phenomenon

Graduate How is Ising Model a Markov Chain?

Undergrad Ionizing N2 and CO2 at 50 g/s flow rate

Undergrad Can chemical reactions take place at absolute zero?

Graduate Question on waves propagation from a moving frame

Undergrad How to open a winebottle with a shoe

Graduate Would a syringe in space suck?

Undergrad How Do Cathode Rays Penetrate Thin Metal Films?

Undergrad Good books on vibrations and waves beyond the basics

High School What is ripple factor in halfwave rectifier?

Undergrad Is it possible to create a SINGLE circular wave?

Undergrad Wavelength and resonant length equation

High School Do multiple fans in a tube displace more air than one fan?

Graduate Something that absorbs at longer wavelengths looks more red?

Undergrad Amplitude modulation equation with carrier and modulator frequencies

Undergrad Amplitude Modulation Phenomona