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What really is a Pascal and a Joule? - Physics Forums The same with Joule's Don't think of it as Kg*m^2 s^2, think about it as a force being applied over a distance Joule is energy, and an external force does work on an object by an amount of where F is the force and ds is a small chunk of the path that it travels (a line is 1d)
Joules per Coulomb and the Volt - Physics Forums Then 1 volt means 1 joule per coulomb; 2 volts mean 2 joules per coulomb, and 5 volts mean 5 joules per coulomb But what is meant by 2 or 5 volts? If one coulomb contains a set amount of electrons, how can one coulomb have more energy or potential to do work than another coulomb? What is different?
What is a Joule Second? - Explained Easily! - Physics Forums A joule in mechanical work is 1 N of force applied on an object to move it a distance of 1 m So a joule persecond is doing the above action in one second Btw, a "joule per second" and a "joule second" are not the same thing Jule per second is dividing by seconds, joule second would be multiplying by seconds
Adiabatic cooling vs. Joule-Thomson effect - Physics Forums The observed cooling occurs due to Joule-Thomson effect which predicts cooling of air by isenthalpic expansion at room temperature (because air is not ideal gas and so temperature does not directly correspond to internal energy)
What is the Definition of 1 Joule and How Does it Relate to Lifting . . . One joule is the amount of energy required to exert a force of 1N through a distance of 1 meter It doesn't matter how fast you do this The RATE at which you use this energy is power A watt is a measure of power, which is a joule sec Energy is the capacity to do work, no matter what form it is in, whether it is electrical energy, mechanical energy, chemical energy, heat, etc 5 joules of
How to convert cm^-1 into erg or joules - Physics Forums I'm not sure if this is the right place for this, but I can't seem to find how to convert cm^-1 into erg or joules It's a pretty dumb question, but I can't find the answer anywhere Thanks a lot in advance!
How Do You Convert Energy from J kg to kJ mol? - Physics Forums from J to kJ all you need to do is of course to divide in 1000 (=k) It's simply to look at it like this: 10^3j = kj => j = 10^-3kj so 553 * 10^5 j = 553 * 10^5 * 10^-3 kj = 553 * 10 ^2 kj (I substituted j for kj using the upper formula) About kg=>mol, well, for that you'll have to tell us what's the material involved Imagine there are plastic and metal balls A plastic ball weighs 1 kg and
Comparing Force and Power of Punch vs Bullet - Physics Forums A lot of the energy from the bullet would be absorbed by the bullet proof vest In spite of the fact that the bullet has more energy, the punch probably has more momentum, and it's slower rate of speed and higher force would "go through" the bullet proof vest easier, as the vest is designed to absorb a lot of energy from a bullet sized object Still even with a vest, there's bound to be a