Question
Asked Nov 13, 2019
11 views

Find the pressure difference on an airplane wing if air flows over the upper surface with a speed of 123 m/s, and along the bottom surface with a speed of 109 m/s.

If the area of the wing is 31 m2, what is the net upward force exerted on the wing?

check_circle

Expert Answer

Step 1

Apply Bernoulli’s theorem between upper and lower surface of an airplane

1
Pu
P-Pu()
Ap
help_outline

Image Transcriptionclose

1 Pu P-Pu() Ap

fullscreen
Step 2

Then pressure difference on...

Ap(1.29kg/m3(123 -109)
2094.96 Pa
help_outline

Image Transcriptionclose

Ap(1.29kg/m3(123 -109) 2094.96 Pa

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Other

Related Physics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: If the cornea is to be reshaped (this can be done surgically or with contact lenses) to correct myop...

A: Both in the implant of contact lenses and in the correction through a laser beam the function is to ...

question_answer

Q: 6. Wil an electric dipole that is initially at rest but is free to move and rotate be attracted to, ...

A: An electric dipole is a pair of identical charges having same magnitude but opposite sign which are ...

question_answer

Q: Assume that a clay model of a lion has a mass of 0.225 kg and slides on ice at a speed of 0.65 m/s. ...

A: Consider the clay model of a lion of mass ml and slides with an initial speed  denoted by vl sticks ...

question_answer

Q: A 947 kg elevator is pulled upward by a cable with a tension of 1.58×104 N. Using work and energy, s...

A: According to the work energy theorem, the net work done is equal to the change in kinetic energy.

question_answer

Q: Describe what a property of a substance is and give some examples of some properties of a substance....

A: The substance is a particular kind of matter with uniform properties. Any pure material is a substan...

question_answer

Q: Suppose the interference pattern shown in the figure below is produced by monochromatic light passin...

A: Consider the distance between the slits of the diffraction grating be d, the wavelength of the light...

question_answer

Q: A student in an undergraduate physics lab is studying Archimede's principle of bouyancy. The student...

A: Consider the mass of the brass cylinder be m, the weight of the cylinder be w, the density of the al...

question_answer

Q: A projectile is launched upward at an angle. What should this angle be with respect to the horizonta...

A: A projectile is launched upward at an angle. The angle will be with respect to the horizontal in ord...

question_answer

Q: Find the moment of inertia of the rod of mass m about the axis shown below by direct integration. (U...

A:  The figure shows the moment of inertia of the rod,