The opposite of a wind turbine is an electric fan: the electric energy that powers the fan is converted to the kinetic energy of moving air. A fan is putting 1. 6 j of kinetic energy into the air every second. Then the fan speed is increased by a factor of 2. Air moves through the fan faster, so the fan moves twice as much air at twice the speed.

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this isn't a question, nor is it appropriate for this web site

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you can't just go around joking about this kind of stuff.

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it's true that when your child reaches the age of eighteen, they are legally seen as an adult and are legally responsible for their own behavior instead of their parents. they can't break laws, of course – being 18 just means you can be tried as an adult, not that you're free to do anything you .

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