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September 20, 2014

Homework Help: Physics

Posted by Robert on Thursday, April 29, 2010 at 5:23pm.

During a rescue operation, a 5350 kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 59.0 m/s. What mass of air must pass through the blades every second to produce enough thrust for the helicopter to hover?

I got 31560 kg*m/s but its wrong.

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