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Energy
New post in Energy
How much energy is wasted by a noisy refrigerator?
August 1st, 2022
dissipation
estimation
everyday-life
acoustics
energy
Why are lower energy systems stable?
December 22nd, 2020
stability
energy
thermodynamics
Hamiltonian and Energy of a charged particle in an Electromagnetic field
July 15th, 2020
hamiltonian
hamiltonian-formalism
gauge-theory
energy
electromagnetism
Feynman Lectures: Why a non-reversible weight lifting machine cannot lift higher that a reversible one?
August 1st, 2022
newtonian-mechanics
energy
thought-experiment
potential-energy
newtonian-gravity
If increasing applying energy to an atom excites electrons, why does electrical conductivity decrease as temperature increases?
August 1st, 2022
superconductivity
atomic-physics
electrons
electricity
energy
What is gravitational energy in general relativity?
August 10th, 2022
stress-energy-momentum-tensor
energy
gravity
general-relativity
Is the conservation of energy simply assumed or can it be accurately tested?
August 25th, 2021
energy-conservation
energy
experimental-physics
Hamilton's characteristic and principal functions and separability
December 15th, 2020
classical-mechanics
energy
hamiltonian-formalism
variational-principle
hamiltonian
Kinetic energy of an object at rest
August 1st, 2022
newtonian-mechanics
energy
reference-frames
What does zero heat capacity mean?
August 1st, 2022
thermodynamics
energy
temperature
Why do 2.4GHz frequencies offer greater range than 5GHz routers?
January 20th, 2020
frequency
energy
atmospheric-science
waves
Does a reflection still transfer momentum to an mirror?
August 1st, 2022
energy
momentum
photons
reflection
Number of planks required to stop the bullet
August 1st, 2022
work
collision
kinematics
energy
homework-and-exercises
Calculating Energy of a Wave
March 18th, 2020
energy
waves
Can we transport energy over infinite distances through vacuum using light?
April 10th, 2020
energy
frequency
quantum-optics
electromagnetic-radiation
How do electromagnetic waves carry energy?
July 8th, 2020
frequency
photons
electromagnetism
energy
electromagnetic-radiation
"Correlation energy" using the pair correlation function
September 20th, 2020
quantum-hall-effect
quantum-mechanics
electrons
correlation-functions
energy
Is there an equivalence between information, energy and matter?
October 25th, 2021
thermodynamics
energy
entropy
information
holographic-principle
How do we perceive hotness or coldness of an object?
August 19th, 2020
equilibrium
temperature
heat
energy
thermodynamics
Why is the Hamiltonian zero in relativity?
January 24th, 2020
hamiltonian-formalism
general-relativity
energy
lagrangian-formalism
constrained-dynamics
How do we tell which part of kinetic energy gives rise to temperature?
August 1st, 2022
thermodynamics
energy
statistical-mechanics
temperature
kinetic-theory
Where is the energy coming from to light my Christmas tree lights?
December 8th, 2020
energy
electric-circuits
electrical-resistance
light-emitting-diodes
How many grams of explosive are equivalent to the energy in a battery?
December 28th, 2020
energy-storage
batteries
explosions
energy
Thermal energy vs. internal energy?
April 7th, 2020
thermodynamics
energy
How are the calories in food calculated?
January 3rd, 2020
biophysics
physical-chemistry
energy
Is elastic potential energy always positive?
August 1st, 2022
newtonian-mechanics
classical-mechanics
energy
Why does frozen water burst a pipe?
June 14th, 2021
water
everyday-life
freezing
energy
thermodynamics
What matter in the original atom bomb is converted to energy?
January 13th, 2020
quantum-mechanics
energy
mass-energy
Is Keshe's technology for real?
August 10th, 2022
energy
renewable-energy
plasma-physics
What causes damage, kinetic energy or momentum?
April 19th, 2022
collision
momentum
energy
newtonian-mechanics
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