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 179 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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

An experimentally made Oldowan type core. An experimentally made Oldowan type core.
Two-point linear perspective. Two-point linear perspective.
Schematic representations of (a) linear, (b) branched, (c) crosslinked, and (d) network (three-dimen Schematic representations of (a) linear, (b) branched, (c) crosslinked, and (d) network (three-dimen
How to solve a linear system when the terms are fractions How to solve a linear system when the terms are fractions
Bacteriophage double-strand DNA (linear) Bacteriophage double-strand DNA (linear)
1.6 Organisms are made up of cells, each of which contains an identical set of genes. 1.6 Organisms are made up of cells, each of which contains an identical set of genes.
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library