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 90 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?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library