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Author Question: A Boeing 737 airliner has a mass of 20 000 kg and the total area of both wings (top or bottom) is ... (Read 86 times)

drink

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on: Jul 28, 2018
A Boeing 737 airliner has a mass of 20 000 kg and the total area of both wings (top or bottom) is 100 m2 . What is the pressure difference between the top and bottom surface of each wing when the airplane is in flight at a constant altitude?
 a. 1 960 N/m2
  b. 3 920 N/m2
  c. 7 840 N/m2
  d. 4 560 N/m2
  e. 3 070 N/m2

Question 2

In a wind tunnel the pressure on the top surface of a model airplane wing is 8.8  104 N/m and the pressure on the bottom surface is 9.0  104 N/m2 . If the area of the top and bottom surfaces of each wing is 2.0 m2, what is the total lift on the model airplane?
 a. 2.0  103 N
  b. 8.0  103 N
  c. 1.6  104 N
  d. 3.6  104 N
  e. 1.0  103 N


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IAPPLET

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


drink

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

mammy1697

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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