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 166 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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The FDA recognizes 118 routes of administration.

A purse made from a cane toad. A purse made from a cane toad.
How to solve a linear system with three unknowns using substitution (Question 2 of 2) How to solve a linear system with three unknowns using substitution (Question 2 of 2)
Exterior View of Tholos, The So-called Treasury of Atreus Exterior View of Tholos, The So-called Treasury of Atreus
Exterior View of The Temple of Hera I, Poseidonia (Roman Paestum) Exterior View of The Temple of Hera I, Poseidonia (Roman Paestum)
Foods made with fat substitutes aren’t calorie free Foods made with fat substitutes aren’t calorie free
Linear Problem Linear Problem
Video: Ear Animation

For a complete list of videos, visit our video library