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 94 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?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library