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

Author Question: Electrons in an x-ray machine are accelerated from rest through a potential difference of 80,000 V. ... (Read 90 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
on: Jul 28, 2018
Electrons in an x-ray machine are accelerated from rest through a potential difference of 80,000 V. What is the kinetic energy of each of these electrons in eV?
 a. 128 eV
  c. 80 eV
  b. 40 eV
  d. 80 keV

Question 2

Calculate the linear speed due to the Earth's rotation for a person at the equator of the Earth. The radius of the Earth is 6.40  106 m.
 a. 74.0 m/s
  c. 465 m/s
  b. 233 m/s
  d. 73.0 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


Haya94

  • Hero Member
  • *****
  • Posts: 558
Reply #2 on: Jul 28, 2018
Thanks


Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Conduction of the action potential along an axon. Conduction of the action potential along an axon.
Action potential conduction in unmyelinated axons. Action potential conduction in unmyelinated axons.
Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ... Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...
Kinetic versus Potential Energy Kinetic versus Potential Energy
Potential Interactions of Medications, Herbs, Nutrients, and Foods (2 of 2) Potential Interactions of Medications, Herbs, Nutrients, and Foods (2 of 2)
Difference Between Solar and Sidereal Day Difference Between Solar and Sidereal Day
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library