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

Author Question: The electric potential at the origin of an xy-coordinate system is 40 V. A -8.0-C charge is brought ... (Read 90 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
The electric potential at the origin of an xy-coordinate system is 40 V. A -8.0-C charge is brought from x = + to that point. What is the electric potential energy of this charge at the origin?
 
  A) -3.2  10-4 J
  B) 3.2  10-4 J
  C) -40 J
  D) 40 J
  E) 8.0 J

Question 2

One of the harmonics of a column of air open at both ends has a frequency of 448 Hz and the next higher harmonic has a frequency of 576 Hz. What is the fundamental frequency of the air column?
 
  A) 32 Hz
  B) 64 Hz
  C) 88 Hz
  D) 128 Hz
  E) 256 Hz



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

A

Answer to Question 2

D





 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library