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

Author Question: The exterior of a supersonic airplane is made of aluminum, which has a coefficient of linear ... (Read 180 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jul 29, 2018
The exterior of a supersonic airplane is made of aluminum, which has a coefficient of linear expansion of 24  10-6 K-1. At 15C, the plane measures 62.1 m in length.
 
  When the plane is in flight, friction with the air increases the temperature of the exterior skin to 200C. What is the change in the length of the outer skin of the plane?
  A) 32 cm B) 20 cm C) 36 cm D) 24 cm E) 28 cm

Question 2

The smallest kinetic energy that an electron in a box (an infinite well) can have is zero.
 
  A) True
  B) False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

B


ereecah

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 29, 2018
Thank you!


robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

The fibers in silk cloth and in a spider web are made up of the protein fibroin The fibers in silk cloth and in a spider web are made up of the protein fibroin
A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
Carbon dioxide. This molecule exhibits a nonpolar bond and results in a linear and symmetrical ... Carbon dioxide. This molecule exhibits a nonpolar bond and results in a linear and symmetrical ...
How to solve a linear system when the terms are fractions How to solve a linear system when the terms are fractions
How to set up and solve linear models (Question 2) How to set up and solve linear models (Question 2)
Exterior View of a Temple, Perhaps Dedicated to Portunus Exterior View of a Temple, Perhaps Dedicated to Portunus
Video: Secretin (inhibiting gastric acid secretion), Cholecystokinin (fat digestion) & Cholecystokinin

For a complete list of videos, visit our video library