What does a greater power rating mean in terms of (a) the amount of work that can be done in a given time and (b) how fast a given amount of work can be done? Power: Power is a scalar quantity that denotes...
What is the term "work, power, and energy" practically mean? Can we convert internal energy into work? How long does it take a worker producing 200 W of power to do 10,000 J of work? How can we convert or change one energy to another?
It also inherits an energy conservation law from the original Euler equations; the conserved energy is using the metric on to raise and lower the Greek indices. It is now tempting to try to set up an approximately scale-invariant blowup solution. It seems that the first step in this is...
The energy conservation law does constrain to some extent the nature of the blowup (basically, the two scaling parameters above become linked by the relation ), but does not seem to otherwise prevent such a blowup from occuring. Analytically, this is not a particularly pleasant equation to ...
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These separate forms of energy are not conserved, but the total amount of energy is conserved. If you drop a baseball from your roof, the ball has kinetic energy the moment it starts to move. Just before you dropped the ball, it had only potential energy. As the ball moves, the ...
There is a big difference between "conserved" (does not change over time) and "invariant" (is agreed on by different reference frames). Mass is invariant and conserved. Energy is conserved but not invariant. Proper acceleration is invariant but not conserved. Position is neither conserved nor ...
The imaginary part of the susceptibility is where hidden damping lies, being balanced by the assumed out-of-equilibrium drive of the medium cycles. Energy levels describe an averaged situation, but overall conservation can be guaranteed in a Hamiltonian closed system. One further assumption would req...
What is meant by saying charge is conserved? What does it mean when we say something is quantized? What leads to quantization? Explain. What do you mean by daulity of charge? How will we define charge? To say that light is quantized means that light is made up of what?
People often use the term energy crisis, implying that we are running out of energy. How can this be if energy is conserved? If we are not running out of energy, what are we really running out of? What is a device that produces AC electricity? Why does our power grid use AC electric...