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

Author Question: Suppose that the electric force between two objects is 2 N and that you then double the distance ... (Read 47 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
on: Jul 29, 2018
Suppose that the electric force between two objects is 2 N and that you then double the distance between the objects. The new force is
 
  A) 1 N. B) 0.25 N. C) 0.5 N. D) 4 N. E) 8 N.

Question 2

A conducting sphere 45 cm in diameter carries an excess of charge, and no other charges are present.
 
  You measure the potential of the surface of this sphere and find it to be 14 kV relative to infinity.
  (k = 1/40 = 8.99  109 N  m2/C2 ) The excess charge on this sphere is closest to
  A) 0.35 nC.
  B) 79 nC.
  C) 315 nC.
  D) 350 nC.
  E) 700 nC.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


lindiwe

  • Member
  • Posts: 577
Reply 2 on: Jul 29, 2018
Excellent

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Using Parallax to Determine Distance Using Parallax to Determine Distance
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
Double-check for any oil or vacuum leaks after starting the engine. Double-check for any oil or vacuum leaks after starting the engine.
A cutaway view of a typical two-stage turbine electric fuel pump. A cutaway view of a typical two-stage turbine electric fuel pump.
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library