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 25 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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Schematic overview of the cardiovascular system. Schematic overview of the cardiovascular system.
Selected Central Nervous System Neurotransmitters and Their Functions Selected Central Nervous System Neurotransmitters and Their Functions
A cutaway view of a typical two-stage turbine electric fuel pump. A cutaway view of a typical two-stage turbine electric fuel pump.
Endocrine System Endocrine System
Most Americans obtain their drinking water from a community water system Most Americans obtain their drinking water from a community water system
Skeletal system Skeletal system
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library