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Air enters an air conditioning duct measuring 1 f t by 2 f t with a...

Air enters an air conditioning duct measuring 1 f t by 2 f t with a volume flow rate of 1000 f t3/min. The duct supplies three classrooms through ducts that are 8 in. by 15 in. Find the average velocity in each duct.

Answer should be 8.33 f t/s; 6.67 f t/s

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