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Physics: Physics is the science that is concerned with studying the fundamental relationships that exist between all aspects of matter and energy. The matter is anything that has a volume and a mass. Key Ideas: There are two basic forms of equilibrium in Physics: Dynamic equilibrium (for object...
The author's repetition, in his "History and Philosophy of Physics Laboratory", of Joule's famous experiment – the paddle wheel experiment – with a calorimeter as originally used by Joule and with a calorimeter as proposed in textbooks, is presented, yielding new insight into the phenomenon....
A joule is the SI unit of energy, representing the amount of work done when a force of one newton is applied over a meter, while an erg is a much smaller unit, used in the CGS system, equal to 10^-7 joules.
Learn the definition of a joule, a basic unit of energy used in chemistry, chemical engineering, and physics, plus learn what a joule is equal to.
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Thermodynamicsis the branch of physics dealing with the work and energy of a system. Work, energy and heat all have the same units in physics despite having different meanings and applications. The SI (standard international) unit of heat is the joule. Work is defined as force multiplied by ...
A nanosecond (ns or nsec) is one-billionth (10-9) of a second. A nanosecond is a measure of time that has many practical applications, particularly in computer science and IT. The termnanocomes from the Greek rootnanos, which meansdwarf. ...
A heat engine is a device that converts part of heat absorbed into work. It extracts energy in the form of heat from a heat source and does useful work as it continuously repeats a thermodynamic cycle, discarding some heat to a heat sink. To convert h
What is the unit of energy density? What does 'energy expressed' mean in quantum physics? What is the basic unit of energy? What determines the amount of chemical energy a substance has? What determines the energy of an electron? What is a joule in physical chemistry?