Quote:
Originally Posted by Besoeker
Quite.
Rate. Rate does not require the passage of time.
The difficulty seems to be that you don't, won't or can't grasp that concept.
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There is no difficulty and nothing to grasp. Of course rate does not require the passage of time, but instantaneous in the context of power measurement typically does not imply a zero rate. It typically is used in the context of measuring energy flow and as such time is implicit in that flow. Power measured in an instant implies that the energy had to arrive at its point of measurement and to do that, time is required. As I said though energy can be instantaneous regardless of time, because its always present in varying forms and is more fundamental than power.