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

Author Question: Three point charges, two positive and one negative, each having a magnitude of 20 mC are placed at ... (Read 165 times)

bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
on: Jul 28, 2018
Three point charges, two positive and one negative, each having a magnitude of 20 mC are placed at the vertices of an equilateral triangle (30 cm on a side). What is the magnitude of the electrostatic force on one of the positive charges?
 a. 69 N
  b. 40 N
  c. 80 N
  d. 57 N
  e. 20 N

Question 2

Three point charges, two positive and one negative, each having a magnitude of 20 mC are placed at the vertices of an equilateral triangle (30 cm on a side). What is the magnitude of the electrostatic force on the negative charge?
 a. 80 N
  b. 40 N
  c. 69 N
  d. 57 N
  e. 75 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jul 28, 2018
Thank you!


blakcmamba

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Positive and Negative Symptoms of Schizophrenia Positive and Negative Symptoms of Schizophrenia
Label the cutbank and point bar on this image. Label the cutbank and point bar on this image.
Negative feedback loops affecting hypothalamic and anterior pituitary tropic hormones. Negative feedback loops affecting hypothalamic and anterior pituitary tropic hormones.
The leaky-barrel model: a settling-point model of eating and body weight homeostasis. The leaky-barrel model: a settling-point model of eating and body weight homeostasis.
The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C? The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C?
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: Deglutition

For a complete list of videos, visit our video library