Air Is Flowing Through a Rocket Nozzle

question 22

Multiple Choice

Air is flowing through a rocket nozzle. Inside the rocket the air has a density of 5.25 kg/m³ and a speed of 1.20 m/s. The interior diameter of the rocket is 15.0 cm. At the nozzle exit, the diameter is 2.50 cm and the density is 1.29 kg/m³. What is the speed of the air when it leaves the nozzle?

• A) 123 m/s
• B) 176 m/s
• C) 88.0 m/s
• D) 45.7 m/s
• E) 29.3 m/s

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Definitions:

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The culture that holds the most power and is most widely accepted within a particular society, often shaping mainstream norms and values.

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A critical or unfavorable evaluation of something.

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A community of people who share common cultural and ethnic identity, including language, traditions, customs, and often a shared history.

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A social position a person receives at birth or takes on involuntarily later in life, such as race, gender, and family background.