This topic contains a solution. Click here to go to the answer
« previous next »

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 68 times)

drink

  • Hero Member
  • *****
  • Posts: 554
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

IAPPLET

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


drink

  • Member
  • Posts: 554
Reply 2 on: Jul 28, 2018
Wow, this really help

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

When introduced into a new area, rabbits can overpopulate rapidly, becoming a nuisance, as on this u When introduced into a new area, rabbits can overpopulate rapidly, becoming a nuisance, as on this u
Broca’s Area Broca’s Area
Effleurage to the entire area with moderate pressure as a finishing technique. Apply effleurage ... Effleurage to the entire area with moderate pressure as a finishing technique. Apply effleurage ...
Standing at the side and facing the head, apply deep circular effleurage over shoulder area using ... Standing at the side and facing the head, apply deep circular effleurage over shoulder area using ...
Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library