This topic contains a solution. Click here to go to the answer

Author Question: A bolt hole in a brass plate has a diameter of 1.2 cm at 20.C. What is the diameter of the hole when ... (Read 182 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
A bolt hole in a brass plate has a diameter of 1.2 cm at 20.C. What is the diameter of the hole when the plate is heated to 220.C? (The coefficient of linear thermal expansion for brass is 19  10-6 per degree C.)
 
  A) 1.205 cm
  B) 1.210 cm
  C) 1.195 cm
  D) 1.190 cm
  E) 1.200 cm

Question 2

A coil lies flat on a table top in a region where the magnetic field vector points straight up. The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades?
 
  A) The induced current flows counterclockwise.
  B) There is no induced current in this coil.
  C) The induced current flows clockwise.
  D) The current flows clockwise initially, and then it flows counterclockwise before stopping.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

A

Answer to Question 2

A





 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library