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

Author Question: An electron (m = 9.1 10-31 kg, q = -1.6 10-19 C) starts from rest at point A and has a speed of ... (Read 59 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
on: Jul 28, 2018
An electron (m = 9.1  10-31 kg, q = -1.6  10-19 C) starts from rest at point A and has a speed of 5.0  106 m/s at point B. Only electric forces act on it during this motion. Determine the electric potential difference VA - VB.
 a. -71 V
  b. +71 V
  c. -26 V
  d. +26 V
  e. -140 V

Question 2

What is the speed of a proton that has been accelerated from rest through a potential difference of 4.0 kV?
 a. 1.1  106 m/s
  b. 9.8  105 m/s
  c. 8.8  105 m/s
  d. 1.2  106 m/s
  e. 6.2  105 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


ETearle

  • Member
  • Posts: 580
Reply 2 on: Jul 28, 2018
Gracias!

pratush dev

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Electron atomic and molecular orbitals Electron atomic and molecular orbitals
The electron-carrying coenzymes NAD+ and FAD The electron-carrying coenzymes NAD+ and FAD
Graph showing how the boiling point of the coolant increases as the percentage of antifreeze in ... Graph showing how the boiling point of the coolant increases as the percentage of antifreeze in ...
The slope of the curve y = ax^3 - bx^2 + cx - 3 at x = 2 is 5. If the point of inflection of the cur The slope of the curve y = ax^3 - bx^2 + cx - 3 at x = 2 is 5. If the point of inflection of the cur
The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C? The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C?
An electron micrograph of chloroplast DNA (cpDNA) derived from lettuce An electron micrograph of chloroplast DNA (cpDNA) derived from lettuce
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library