Physics, 09.12.2021 05:50, AJSkullcrusher

A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is initially at rest and has a density of 1 kg/m3. Fans are inefficient; assume an efficiency of 10%.

A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is ini

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A fan uses a rotating blade to moves 2m3 of air each second at a speed of 3 m/s. Assumes air is init...