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

Author Question: The force that is exerted by a magnet as it picks up iron nails could be best described as A) the ... (Read 122 times)

wenmo

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
The force that is exerted by a magnet as it picks up iron nails could be best described as
 
  A) the electric force exerted by electrons in the magnet, on electrons in the nails.
  B) the force of attraction between the nuclei of atoms in the magnet and the nuclei of atoms in the nails.
  C) the magnetic force exerted by electrons moving within the magnet, on electrons moving within the nails.
  D) the electric force exerted by ions in the magnet on electrons in the nails.
  E) the magnetic force exerted by ions moving within the magnet on electrons moving within the nails.

Question 2

In a mass spectrometer, a singly-charged particle (charge e) has a speed of 1.0  106 m/s and enters a uniform magnetic field of 0.20 T.
 
  The radius of the circular orbit of the particle is 0.020 m. What is the mass of this particle? (e = 1.60  10-19 C)
  A) 3.2  10-28 kg
  B) 6.4  10-28 kg
  C) 1.7  10-27 kg
  D) 4.5  10-27 kg
  E) 3.1  10-31 kg


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kusterl

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


wenmo

  • Member
  • Posts: 540
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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.

Eggshell Nails Eggshell Nails
A rubber mallet used to deliver a force to an object without harming the surface. A rubber mallet used to deliver a force to an object without harming the surface.
Hemoglobin Contains Heme Iron Hemoglobin Contains Heme Iron
Nails Nails
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
finding the resultant force finding the resultant force
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library