This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The electric potential at the origin of an xy-coordinate system is 40 V. A -8.0-C charge is brought ... (Read 35 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


debasdf

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 29, 2018
Thanks


zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Endomembrane system Endomembrane system
Procedures and Diagnostic Tests Related to the Integumentary System Procedures and Diagnostic Tests Related to the Integumentary System
The respiratory system and the process of gas exchange. The respiratory system and the process of gas exchange.
Using a water-based cleaning system helps reduce the hazards from using strong chemicals. Using a water-based cleaning system helps reduce the hazards from using strong chemicals.
How to solve a linear system by the substitution method How to solve a linear system by the substitution method
Suggested Antibiotic Prophylaxis Regimens in Patients at Potential Increased Risk of Hematogenous ... Suggested Antibiotic Prophylaxis Regimens in Patients at Potential Increased Risk of Hematogenous ...
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library