Topic: Joule Unit of Energy
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Why is the unit of energy joules?
Because the man 'Joule' did an extensive work in energy and postulated different laws which helped today scientists to understand the quantity Energy Read More »
Source: http://wiki.answers.com/Q/Why_is_the_unit_of_energy_joules
What are the units of a joule of energy?
The joule is the SI unit of energy measuring heat, electricity and mechanical work. Thanks ... Read More »
Source: http://www.chacha.com/question/what-are-the-units-of-a-joule-of-e...
How many joules are there in one unit of energy?
The Joule is the unit of energy in the SI system. The basic definition is the energy used or work done in moving 1 meter against a force of 1 Newton. Read More »
Source: http://wiki.answers.com/Q/How_many_joules_are_there_in_one_unit_o...
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Joule Unit of Energy
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If you're asking why it's called a joule, it's named after the scientist James Prescott Joule.
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Source: http://wiki.answers.com/Q/How_did_the_SI_unit_for_energy_become_t...
Because energy and work have the same 'dimensions', which is the scientist's way of saying they both have the same make-up of the basic units, which are length, mass, and time. In fact energy can be defined as the capacity for doing work, w...
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Source: http://wiki.answers.com/Q/The+joule+is+a+unit+of+what+energy
For exactly the same reason that you normally don't talk about how many miles wide your kitchen is, or how many inches you drive to work. Everybody likes to use the unit that produces the most convenient number ... the number that's easiest...
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Source: http://wiki.answers.com/Q/Why_an_electron_volt_more_convenient_un...
because some values in joules are often in exponent with a negative sign.
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Source: http://wiki.answers.com/Q/Why_is_the_electron_volt_often_a_more_c...
It is more convenient for certain purposes . When working with electrons, an electron-volt is the energy gained (or lost) by an electron or proton (or other particle with 1 elementary charge) when passing through a voltage difference of 1 v...
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Source: http://wiki.answers.com/Q/Why_is_electron-volt_more_convenient_un...
Quite simply, because heat is also a form of energy. It has been found that a certain amount of mechanical energy is equivalent to a certain amount of heat energy; it makes sense to use the same unit for all kinds of energy.
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Source: http://wiki.answers.com/Q/Why_is_the_joule_the_SI_unit_of_energy_...
