Describe, in one sentence each, the three laws of thermodynamics. What does the first law of thermodynamics state? What does each of the three variables in the expression for the first law of thermodynamics represent and what do the signs (positive or negative) mean for each variable?...
The question of whether or not the second law of thermodynamics is violated in a particular situation is predicated on the existence of a clear statement of the second law, including any assumptions of applicability. Here we discuss some of the shortcomings of current statements of the second ...
What does 125 lb.-ft. at 5,500 RPM mean? What do calipers measure? What is the physics behind a bow and arrow? What is Venturi-meter? What is an electrolier? Assuming that initially I(0) = 0 and q (0) = Q_0, what are I(i) = ? and q(t) = ?
Why does the temperature of the working fluid have to be close to the temperature of the cold reservoir during a Carnot cycle? 1 What happens if you factor in the energy required to switch between the reservoirs and insulating stand of the Carnot engine? 0 At what stage in...
Just because thermodynamics is fundamental to science doesn't mean it doesn't have its issues. This article in Physics Today explores why it's been called the "village witch" of physics. Bibliography University of Kentucky Department of Physics and Astronomy, "Temperature And Heat — Thermal ...
My question is what does an integral such as∫V0dx⃗ 1∫0Vdx→1mean exactly?Here is the context in which this type of integral arose.I am following a thermodynamics course that has a section that is an introduction to statistical mechanics.I am a bit confu...
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Chapter 19 First Law of Thermodynamics Hints What does +U vs.–U mean?Q is heat added or subtracted from the system; W is the work done bythe system (+W when the gasexpands,-W when it ... ∆U/Q) 被引量: 0发表: 2016年 Aftermarketfailure: Windows XP's End of Support "What ...
where brackets mean statistical averaging. To summarize what has been found here, a statistical averaging over a statistical collection of state superpositions (a beam of photon pairs) does not break the pair correlations. Therefrom, in the next sections, pursuing the thought experiment outlined in...