« previous next »

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 26 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Energy of Electron according to Electron Shells Energy of Electron according to Electron Shells
How noncyclic electron flow during the light reactions generates ATP and NADPH. How noncyclic electron flow during the light reactions generates ATP and NADPH.
Schematic of a mitochondrion and Computer model generated from electron tomograms of a mitochondrion Schematic of a mitochondrion and Computer model generated from electron tomograms of a mitochondrion
The introduction of a new generation of electric and hybrid cars will reduce the demand for oil The introduction of a new generation of electric and hybrid cars will reduce the demand for oil
When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the ... When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the ...
Electron configuration and how many electrons are needed to achieve the nearest noble-gas ... Electron configuration and how many electrons are needed to achieve the nearest noble-gas ...
Video: Stroke volume - afterload definition & hypertension

For a complete list of videos, visit our video library