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April 21, 2014

Homework Help: physics

Posted by student on Monday, December 6, 2010 at 12:51am.

A cylindrical air duct in an air conditioning system has a length of 3.5 m and a radius of 5.00 m. A fan forces air ( = 1.8 Pas) through the duct, such that the air in a room (volume = 242 m3) is replenished every 12 minutes. Determine the difference in pressure between the ends of the air duct.

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