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this post was submitted on 09 Apr 2024
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A watt is a joule per second. It is not “directly convertable” any more than mile is the not a speed just because you can divide it by an hour.
Watts are power, the rate at which you can work. Joules are units of energy, how much work you can do.
He is not fucking up the numbers. He is fucking up the units…and so are you
in this scenario it wouldn't be speed, though, it would be speed over time. Speed is velocity.
Watts are just joules but arbitrarily defined. Joules are a unit of total energy. A collective amount of work potential. Watts are an in situ measurement of those joules doing work.
If we want to talk about confusing units, W and VA are the units to be talking about.