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

Author Question: A point charge (-5.0 mC) is placed on the x axis at x = 4.0 cm, and a second charge (+5.0 mC) is ... (Read 94 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
on: Jul 28, 2018
A point charge (-5.0 mC) is placed on the x axis at x = 4.0 cm, and a second charge (+5.0 mC) is placed on the x axis at x = -4.0 cm. What is the magnitude of the electric force on a third charge (+2.5 mC) placed on the y axis at y = 3.0 cm?
 a. 90 N
  b. 45 N
  c. 54 N
  d. 72 N
  e. 36 N

Question 2

Identical point charges Q are placed at each of the four corners of a 3.0 m  4.0 m rectangle. If Q = 40 mC, what is the magnitude of the electrostatic force on any one of the charges?
 a. 3.0 N
  b. 2.4 N
  c. 1.8 N
  d. 3.7 N
  e. 2.0 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ciecieme

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


humphriesbr@me.com

  • Member
  • Posts: 550
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Your Culture and Your Point of View Your Culture and Your Point of View
Nancy Rubins, Pleasure Point. Nancy Rubins, Pleasure Point.
The energy set-point view that is the basis of many people’s thinking about hunger and eating. The energy set-point view that is the basis of many people’s thinking about hunger and eating.
How to find the equation of a line that is perpendicular to a line passing through a point How to find the equation of a line that is perpendicular to a line passing through a point
How to vertically shift a quadratic function along the y-axis How to vertically shift a quadratic function along the y-axis
Four-point scale for grading edema Four-point scale for grading edema
Video: The Nerve Impulse

For a complete list of videos, visit our video library