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If work done by hinge force on a hinged rod is 0, then why is there a hinge force at all?

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Phonon operator in Electron-Phonon Interaction

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Confusion about Derivation for Bragg's Law/Condition

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Closing Door on a Moving Car [closed]

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Contradiction in the Carnot Cycle?

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Meaning of general Lorentz transformations

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Is gravitational potential energy of body by $mgh$ negative?

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Explanation between the potential energy of a charge and the electric force experienced by a charge

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In equation (20) from lecture 10 in Leonard Susskind’s ‘Classical Mechanics’, why is there a summation involved?

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Quasi-fermi levels in a solar cell?

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What are the differences of Scalar and Pseudoscalar Yukawa Theory?

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A puzzle about relativistic spin

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Oblique Projectile Motion [closed]

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Nordheim theory for resistivity of alloy

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Why does cutting a solenoid into half reduce its magntic properties

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Electric flux through a infinite strip

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Galilean invariance of the wave equation

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Calculating a space and time dependant temeprature profile of a very cylindrical heat source in an infinite medium [closed]

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How do you derive the compound pendulum formula?

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Why is potential energy negative when orbiting in a gravitational field?

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Physical meaning of Cahn-Hilliard boundary conditions

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Why is precession angular velocity of a gyroscope independent of the angle of its axis?

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What is the difference between material time derivative and total time derivative of a tensor field? [closed]

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Albedo of water vs temperature

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Dark matter in the time window between freeze-out and kinetic decoupling

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Electromagnetsm, isospin, spin-1/2, and the early years of quantum mechanics question

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Topic : Classical Electrodynamics; Lienard wiechert potentials [closed]

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Auto-parallel Transport or Principle of Extremum Action?

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Parametric down-conversion - QFT necessary?

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Why is all matter in the universe, not found at its lowest state of potential energy? [closed]

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Does an object falling from very large height as compared to radius of Earth rotate as well due to gravity?

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Open or closed windows in a tornado?

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Interesting Aerofoil Logical Fallacy

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Could Space-Time Displace or Distort Itself? [closed]

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Does Mass Actually Displace Space-Time, or does Mass only Distort it?

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Does A Pivot Exert A Force

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Is there a wavelength shift between sunlight observed from the ISS versus from Earth's surface?

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Two sealed valve-coupled water/air tanks with a common sump. How long after the valve is opened does it reach steady state?

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How do you build a small-scale neutrino detector? [closed]

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Curl of rotational fluid

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How to find permeability of a magnetic material?

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Mass-luminosity relation for a fully convective star

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Potential drop across PN junction diode in forward bias

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