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Helicopter Thrust During a rescue operation, a 5300-kg

Chapter 9, Problem 58P

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QUESTION:

Helicopter Thrust 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?

Questions & Answers

QUESTION:

Helicopter Thrust 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?

ANSWER:

Step 1 of 2:

Consider a Helicopter hovers above a fixed point. The blades push the air in the downward direction with a speed. The thrust produced by the air makes the helicopter to hover. We are going to find the mass of air required in each second to produce such a thrust.

The mass of the helicopter m = 5300 kg

The acceleration due to gravity g = 9.81 m/s2

The speed of the air v = 62 m/s

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