Author Question: An electron is placed in a constant electric field of 4.5 104 N/C. (a) What is the force on the ... (Read 34 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
An electron is placed in a constant electric field of 4.5  104 N/C.
 
  (a) What is the force on the electron?
  (b) If the electron is released from rest, what is its speed after 3.0 ps?

Question 2

Two large parallel metal plates are uniformly and oppositely charged and the electric field between them is 7.6  106 N/C.
 
  (a) What is the charge density on each plate?
  (b) If the very large charged plates are moved 2 times farther apart, what is the electric field between the plates now?



triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

(a) 7.2  10-15 N opposite the field
(b) 24. km/s

Answer to Question 2

(a)  67. C/m2
(b) 7.6  106 N/C, unchanged



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

For a complete list of videos, visit our video library