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

Author Question: Two charges lie on the x axis, +3q at the origin, and -2q at x = 5.0 m. The point on the x axis ... (Read 93 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jul 28, 2018
Two charges lie on the x axis, +3q at the origin, and -2q at x = 5.0 m. The point on the x axis where the electric potential has a zero value (when the value at infinity is also zero) is
 a. 1.0 m.
  b. 2.0 m.
  c. 2.5 m.
  d. 3.0 m.
  e. 4.0 m.

Question 2

Identical point charges (+30 mC) are placed at the corners of a rectangle (4.0 m  6.0 m). How much external energy is required to bring a charge of 55 mC from infinity to the midpoint of one of the 6.0-m long sides of the rectangle?
 a. 22 J
  b. 16 J
  c. 13 J
  d. 19 J
  e. 8.0 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


ereecah

  • Member
  • Posts: 530
Reply 2 on: Jul 28, 2018
Gracias!

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Origin of the Geosphere Origin of the Geosphere
Location of point of maximum effort Location of point of maximum effort
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
Decimal Values as They Relate to the Location of the Decimal Point Decimal Values as They Relate to the Location of the Decimal Point
Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1 Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1
Video: The Vestibular System

For a complete list of videos, visit our video library