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 94 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?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Organization of the vertebrate nervous system. Organization of the vertebrate nervous system.
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
Gating of sodium and potassium channels during an action potential. Gating of sodium and potassium channels during an action potential.
A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ... A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ...
Some of the pathways of the auditory system that lead from one ear to the cortex. Some of the pathways of the auditory system that lead from one ear to the cortex.
Sagittal section of the female pelvis, showing organs of the reproductive system. Sagittal section of the female pelvis, showing organs of the reproductive system.
Video: Photosynthesis and Van Helmont Experiment

For a complete list of videos, visit our video library