Warp nous apporta ses lumieres en ce 2007/10/29 09:32:
> Darren New <dne### [at] sanrrcom> wrote:
>> Warp wrote:
>>>   A theoretical question: Can mass be converted to other forms of energy?
> 
>> Mass *is* energy. That's where energy is stored. That's why things with 
>> lots of kinetic energy are heavier.  That's why a helium atom weighs 
>> less than four hydrogen atoms.   E=mc^2.
> 
>   That didn't really answer my question.
> 
>>>   Assuming yes, how does this conversion affect angular momentum?
> 
>> It doesn't. It doesn't go anywhere.  It's all the same stuff.
> 
>   Since angular momentum is dependent on mass, that means that eg. heat
> has mass?
> 
Absolutely! It's just that in everydays terms, it's to small to be evaluated 
using ordinary instruments. Heat is manifested by an increase in the average 
motion of the atoms around a resting location. More heat = faster and longer 
movements of the atoms. Faster movement = more kynetic energy.

-- 
Alain
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For here we are not afraid to follow truth wherever it may lead.
Thomas Jefferson

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