Mohamed Ismail Bari wrote:

> I want to know how this power can be
> releated to time. Should I say the dissipation as 1W/Sec or 1W/min or
> 1W/Hr?????.... (My guess is 1W/Sec) I am sure this is a 7th grade math.
> Probably, I was not paying attention when I was in 7th grade..;-).

That's not math, that's physics, more specifically about the relationship
the different units have with each other. Which is a quite nice and logic
system -- if you use SI units, and not one of the different customary
systems. 

A quick overview: http://physics.nist.gov/cuu/Units/units.html (you find
the Watt and the Joule there, too). 

Gerhard

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