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Energy
New post in Energy
Pendulum and Loss of Energy
July 18th, 2020
energy
What happens to kinetic energy of an object when I stop its motion?
May 1st, 2020
kinematics
energy-conservation
energy
Is kinetic energy a scalar?
February 4th, 2020
invariants
energy
covariance
Why is the total energy of an electron in an atom negative?
April 16th, 2020
coulombs-law
atoms
energy
quantum-mechanics
binding-energy
Question about the relationship between resistive drag, dissipated power, and velocity
December 21st, 2020
energy
forces
homework-and-exercises
power
work
If a propane torch is rated at 200,000 BTUs, what does this translate to in terms of joules/second?
November 28th, 2020
energy
unit-conversion
homework-and-exercises
power
Work done separating parallel plates
July 5th, 2021
capacitance
potential-energy
work
energy
Is magnetic wheel possible?
February 14th, 2020
electromagnetism
perpetual-motion
energy
Why do we always ignore the integration constant when we derive formulas in physics (using integration)?
August 8th, 2021
work
energy
newtonian-mechanics
integration
potential-energy
Can change in kinetic energy be negative?
August 20th, 2020
energy
newtonian-mechanics
Physics transformation energy
August 1st, 2022
energy-conservation
homework-and-exercises
forces
energy
kinematics
What can cause a change in wave's shape - One dimensional wave
April 26th, 2020
homework-and-exercises
classical-mechanics
energy
electromagnetic-radiation
waves
Kinetic energy of the object, but Potential energy of the system: Why is it so?
August 3rd, 2022
potential-energy
newtonian-mechanics
energy
How much energy is in a lightning strike?
August 10th, 2022
energy
electricity
lightning
Proof that Energy Momentum Tensor of Scalar Field Theory satisfies Weak Energy Condition
March 10th, 2020
spacetime
field-theory
energy
general-relativity
What is the highest energy position for a double pendulum? And for which energy positions is it chaotic?
April 8th, 2020
energy
kinematics
chaos-theory
classical-mechanics
Finding internal energy using equation of state
May 9th, 2020
energy
thermodynamics
homework-and-exercises
Nuclear bomb power - myth?
June 12th, 2020
energy
radiation
explosions
nuclear-physics
How does stimulated emission work, exactly?
August 28th, 2020
laser
energy-conservation
electrons
photons
energy
Why does blowing on hot coffee cool it down?
October 24th, 2020
thermodynamics
fluid-dynamics
energy
Does doubling density (keeping average gas molecule speed the same), increase temperature recorded on a thermometer?
August 1st, 2022
thermodynamics
statistical-mechanics
temperature
energy
Does a rotating object have more inertia, mass and gravitational pull?
November 24th, 2021
kinematics
mass
inertia
forces
energy
Lower bound on energy is potential minimum
May 1st, 2021
hamiltonian
quantum-mechanics
energy
operators
potential-energy
Classical vs. quantum energy of the hydrogen atom
July 12th, 2020
virial-theorem
quantum-mechanics
classical-mechanics
energy
coulombs-law
What would happen to a star if a Dyson sphere lined with mirrors reflected a significant portion of the stars light back to the star
July 28th, 2020
energy
gravity
stars
sun
visible-light
Can we get energy from the Earth's rotation?
January 29th, 2020
tidal-effect
earth
rotational-dynamics
energy
Is force the derivative of energy?
April 26th, 2020
energy
forces
newtonian-mechanics
Why is potential energy negative when orbiting in a gravitational field?
August 1st, 2022
newtonian-gravity
energy
newtonian-mechanics
conventions
potential-energy
Is it wasteful to use a heating element, instead of doing useful work?
September 10th, 2021
energy
computational-physics
Is there something like the Poynting vector for hydraulic circuits?
December 1st, 2020
electromagnetism
poynting-vector
fluid-dynamics
electricity
energy
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