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July 28, 2015

Homework Help: College Physics

Posted by Kyle on Tuesday, March 16, 2010 at 3:59pm.

During a rescue operation, a 5600-kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 69 m/s. What mass of air must pass through the blades every second to produce enough thrust for the helicopter to hover?

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