Physics - Q&A

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Is this a physics discussion or new energy?

3 answers · posted 10d ago by HolyDamn2.0‭ · last activity 1d ago by HolyDamn2.0‭

wave

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What are the efficient methods to vacuum or pump air into 15 meters underwater?

0 answers · posted 5d ago by HolyDamn2.0‭ · edited 2d ago by HolyDamn2.0‭

energy hydro tidal venturi air

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If you're stopped and about to be hit from behind, should you brake or release the brake?

1 answer · posted 15d ago by Monica Cellio‭ · last activity 13d ago by Olin Lathrop‭

classical-mechanics

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How exactly do eddy currents slow down objects moving though a magnetic field

1 answer · posted 1mo ago by esrdtfghjk‭ · last activity 24d ago by Olin Lathrop‭

electromagnetism

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maxwell equation in 1d

0 answers · posted 1mo ago by MissMulan‭

electromagnetism dimension maxwell-equations

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Double slit experiment with 2 electrons fired from a gun

0 answers · posted 1mo ago by MissMulan‭

quantum-mechanics quantum-physics

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SI Units of wavefunction

0 answers · posted 1mo ago by MissMulan‭ · edited 1mo ago by MissMulan‭

quantum-mechanics

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Differential equation solution cannot describe what happens in reality

0 answers · posted 1mo ago by MissMulan‭ · edited 1mo ago by MissMulan‭

newtonian-mechanics differential-calculus velocity drag

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Classical Uncertainty

0 answers · posted 1mo ago by MissMulan‭

measurement uncertainty

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Calculate inductance using laws of electromagnetism

2 answers · posted 2mo ago by MissMulan‭ · last activity 1mo ago by TonyStewart‭

electromagnetism inductors

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System of ODEs models in physics

1 answer · posted 2mo ago by MissMulan‭ · last activity 1mo ago by Olin Lathrop‭

newtonian-mechanics applied-mathematics mathematical-physics

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How are charges sorted?

0 answers · posted 2mo ago by MissMulan‭

electrostatics capacitor charge-density

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Meaning of complex frequency [closed]

0 answers · posted 3mo ago by MissMulan‭ · closed 3mo ago by MissMulan‭

frequency electric-circuits

25%

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Why can these Single Vision lenses slow myopia for kids, but not adults? [closed]

1 answer · posted 3mo ago by VLDR‭ · closed 3mo ago by Mithical‭

optics

33%

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Optically, why are circular eyeglasses lenses better than rectangular?

1 answer · posted 3mo ago by VLDR‭ · edited 3mo ago by VLDR‭

optics

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Time dilation with current or very near technology of the next 100 years

0 answers · posted 5mo ago by deleted user

time acceleration

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Why can someone observe light, even when the light fails to illume that someone?

1 answer · posted 5mo ago by VLDR‭ · last activity 5mo ago by Olin Lathrop‭

light

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Why do markers reflect light, even when the light source fails to illumine the space between the source and markers?

1 answer · posted 5mo ago by VLDR‭ · last activity 5mo ago by Olin Lathrop‭

light

50%

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What's the equation of kinetic energy of charged particle?

1 answer · posted 9mo ago by deleted user · edited 7mo ago by deleted user

electrostatics kinetic-energy lagrangian particles

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Is $E=mc^2$ true for all frame of references?

1 answer · posted 10mo ago by deleted user · edited 7mo ago by deleted user

special-relativity mass energy relativistic-mass

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What is virtual work?

1 answer · posted 1y ago by deleted user · last activity 8mo ago by deleted user

classical-mechanics forces virtual-work

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Calculating Surface temperatures of a thermal insulator

1 answer · posted 8mo ago by re89j‭ · last activity 8mo ago by Olin Lathrop‭

thermodynamics temperature

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Calculating Max humidity for a house

0 answers · posted 8mo ago by re89j‭

humidity temperature

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Book suggestion on classical thermodynamics

0 answers · posted 8mo ago by deleted user · edited 8mo ago by deleted user

book-suggestion thermodynamics resource-recommendation education

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Conductivity with angle of light

1 answer · posted 8mo ago by MissMulan‭ · last activity 8mo ago by Olin Lathrop‭

light solid-state optics semiconductor photons

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How are the assumptions behind two ways of deriving the Rayleigh-Jeans law related?

1 answer · posted 8mo ago by HDE 226868‭ · last activity 8mo ago by Derek Elkins‭

thermodynamics blackbody-radiation

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May it be that there are more than 8/9 planets in our solar system?

1 answer · posted 8mo ago by deleted user · last activity 8mo ago by Canina‭

planet

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Is that electron which jumps from one stationary state to another?

1 answer · posted 9mo ago by deleted user · last activity 9mo ago by Olin Lathrop‭

quantum-mechanics atoms electrons particle-physics bohr-model

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Why series springs behave like parallel? A comparison between parallel resistance and series spring.

1 answer · posted 9mo ago by deleted user · last activity 9mo ago by Olin Lathrop‭

classical-mechanics springs resistance

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What's the meaning of "outdated" in physics?

1 answer · posted 9mo ago by deleted user · last activity 9mo ago by Mithrandir24601‭

terminology

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How electric displacement is proportional to surface charge?

1 answer · posted 9mo ago by deleted user · last activity 9mo ago by deleted user

electrostatics charge conductor gauss-law dielectric

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Are lamps, with blistering light bulbs exposed and facing down on the user, dangersome?

2 answers · posted 10mo ago by VLDR‭ · last activity 9mo ago by celtschk‭

light

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How can the kinetic energy equation be intuitively understood?

3 answers · posted 10mo ago by gmcgath‭ · last activity 10mo ago by celtschk‭

classical-mechanics energy

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Clear up confusion on Minkowski signature

1 answer · posted 10mo ago by deleted user · edited 10mo ago by deleted user

special-relativity minkowski-metric coordinate-systems metric-tensor

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Is it plausible to desire a "universal" calendar applicable everywhere in our universe?

3 answers · posted 1y ago by deleted user · edited 10mo ago by Trilarion‭

time

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Are there areas in the observable universe which surely cannot support life as we know them?

1 answer · posted 10mo ago by deleted user · last activity 10mo ago by Olin Lathrop‭

terminology

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Why did my roller luggage's wheels stop turning smoothly?

0 answers · posted 11mo ago by VLDR‭ · last activity 10mo ago by deleted user

motion friction

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What does Laplace operator represent?

1 answer · posted 11mo ago by deleted user · last activity 10mo ago by deleted user

laplace

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What is $\mathcal{O}$ in integration of potential?

1 answer · posted 10mo ago by deleted user · last activity 10mo ago by deleted user

electromagnetism potential-energy potential

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Calculate Center of Thrust

1 answer · posted 11mo ago by Josh Hyatt‭ · last activity 11mo ago by Olin Lathrop‭

force

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What is "order" and "disorder" in entropy?

2 answers · posted 11mo ago by deleted user · last activity 11mo ago by Derek Elkins‭

thermodynamics entropy

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Should I always write units in equation no matter if it looks like variable?

2 answers · posted 12mo ago by deleted user · last activity 12mo ago by Canina‭

units

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What is Ether theory? (I think the book I read is misinterpreting Ether)

2 answers · posted 12mo ago by A person who doesn't know anything‭ · edited 12mo ago by A person who doesn't know anything‭

special-relativity relativity revolution aether

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Is it possible to derive the Dieterici equation starting from assumptions about microstates?

0 answers · posted 12mo ago by HDE 226868‭

statistical-mechanics thermodynamics gases

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Where did the measuring systems (metric & imperial) originate and how? [closed]

0 answers · posted 1y ago by General Sebast1an‭ · closed 12mo ago by Mithical‭

measurement metric-system imperial-system

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What is Apsidal Vector?

0 answers · posted 1y ago by Anonymous‭

apsidal vectors

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Book suggestion for Classical Mechanics

1 answer · posted 1y ago by deleted user · last activity 1y ago by deleted user

classical-mechanics book-suggestion

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What's the importance of Poisson brackets?

0 answers · posted 1y ago by deleted user · edited 1y ago by deleted user

hamilton-dynamics hamilton-formalism poisson-brackets

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What is semiholonomic?

1 answer · posted 1y ago by Anonymous‭ · last activity 1y ago by HDE 226868‭

semi-holonomic

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What does Lagrangian actually represent?

2 answers · posted 1y ago by deleted user · last activity 1y ago by deleted user

lagrangian-formalism

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