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SAT, 01.12.2021 05:00 dbhuggybearow6jng

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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