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A room measures 3.0 m by 4.5 m by 6.0 m. If the heating and...

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A room measures 3.0 m by 4.5 m by 6.0 m. If the heating and air-conditioning ducts (one in and one out) to and from the room are circular with a diameter of 0.30 m, and all the air in the room is exchanged every 12 minutes:i) What is the flow rate?ii) What is the speed of the air in the ducts?a) Q = 7.6 m/min, V = 2.5 m/sb) Q = 6.75 m/min, V = 1.6 m/sc) Q=67.5 m/min, V = 1.8 m/sd) Q = 6.75 cm/min, V = 1.6 cm/s

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