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

Author Question: An air-filled 39.1 H solenoid has a length 4.0 cm and cross-sectional area 0.60 cm2. How many turns ... (Read 86 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
An air-filled 39.1 H solenoid has a length 4.0 cm and cross-sectional area 0.60 cm2. How many turns are in this solenoid?
 
  A)
 
  1200
  B)
 
  12
  C)
 
  120
  D)
 
  144
  E)
 
  21000

Question 2

A harmonic wave has a wavelength of 2.0 m and a frequency of 5.0 Hz. What is the speed of the wave?
 
  A)
 
  10 m/s
 
  B)
 
  0.40 m/s
 
  C)
 
  0.50 m/s
 
  D)
 
  0.10 m/s
 
  E)
 
  2.5 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

medine

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

A





 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

For a complete list of videos, visit our video library