During a rescue operation, a 5300-kg helicopter hovers above a fixed point. The helicopter blades send air
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During a rescue operation, a 5300-kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 62 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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A rescue helicopter hovers in midair Use Newtons second law to set the upward lift of ...View the full answer
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