
Is it possible to have negative joules? - Physics Forums
Nov 21, 2004 · Not sure what you are really asking, but the joule is a unit of energy or work. So, is it possible to have a negative energy or do negative work? Yes.
What is a Joule Second? - Explained Easily! - Physics Forums
Jul 9, 2010 · A joule second is defined as the unit of action and angular momentum, crucial in physics, particularly in quantum mechanics. It represents the product of energy (joules) and time (seconds), …
What really is a Pascal and a Joule? - Physics Forums
Jan 21, 2015 · A joule (J), on the other hand, is the unit of energy or work, defined as the work done by a force of one newton acting over a distance of one meter. Understanding these units is essential for …
Torque & Joules: Fact or Fiction? - Physics Forums
Apr 22, 2014 · Wikipedia says that the unit of magnetic dipole moments is calculated by Joule/B that means that the torque is measured by joules I really doubt that, it seems non sense.
Adiabatic cooling vs. Joule-Thomson effect • Physics Forums
Oct 2, 2006 · The discussion centers on the thermodynamic behaviors of gases during expansion, specifically comparing adiabatic cooling and the Joule-Thomson effect in the context of deflating tires …
What the heck is measured in m2 / s2? - Physics Forums
Oct 21, 2011 · The unit m²/s² is definitively a measure of energy per unit mass, expressed as joules per kilogram (J/kg). This relationship is established through the equivalence of joules to newton-meters, …
Why 1 liter * atm = 101.33 joules - Physics Forums
Dec 14, 2016 · The equivalence of 1 liter * atm to 101.33 joules is established through the relationship between pressure, volume, and energy. Specifically, 1 atm is equal to 1.01 x 10^5 N/m², and 1 liter is …
What is the Definition of 1 Joule and How Does it Relate to Lifting ...
Oct 19, 2006 · 1 Joule is defined as the energy required to exert a force of 1 Newton over a distance of 1 meter. This is equivalent to lifting a 1 kg object approximately 10 cm against gravity, which requires …
Free expansion of an ideal gas and changes in entropy
Oct 31, 2022 · The change in entropy for a freely expanding ideal gas during an irreversible transformation is equivalent to that of a reversible transformation between the same initial and final …
Inversion and Isenthelpic Curves for van der Waals EOS
Apr 23, 2016 · The discussion centers on the behavior of isenthalpic curves and the Joule-Thomson coefficient in the context of the van der Waals equation of state (EOS). It is established that below …