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

Author Question: A beam of electrons moves at velocity . The number of particles per unit volume in the beam of area ... (Read 285 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Aug 6, 2020
A beam of electrons moves at velocity . The number of particles per unit volume in the beam of area A is ρ. If we imagine a cylindrical Gaussian surface of radius r and length centered on the beam, the electron flux through the surface is

◦
0.

◦
ρvfA.

◦
2ρvfA.

◦
ρvf(A+2πr).

◦
2ρvf(A+πr).
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by serike on Aug 6, 2020

amandalm

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


serike

  • Member
  • Posts: 542
Reply 2 on: Aug 6, 2020
Thanks for the timely response, appreciate it

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
Walker Evans, Alabama Tenant Farmer's Kitchen (Washstand with View into Dining Area of ... Walker Evans, Alabama Tenant Farmer's Kitchen (Washstand with View into Dining Area of ...
The number of research articles published on the topic of religious practices and spirituality have ... The number of research articles published on the topic of religious practices and spirituality have ...
Combustion chamber volume is the volume above the piston with the piston at top dead center. Combustion chamber volume is the volume above the piston with the piston at top dead center.
This unit is applying smoke to the fuel tank through an adapter and the leak was easily found to be ... This unit is applying smoke to the fuel tank through an adapter and the leak was easily found to be ...
Assume z is a standard normal random variable. What is the value of z if the area to the right ... Assume z is a standard normal random variable. What is the value of z if the area to the right ...
Video: Rena arc construction

For a complete list of videos, visit our video library