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

Author Question: A charged particle moving perpendicular to a magnetic field has a magnet force on it. But when an ... (Read 119 times)

jake

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
A charged particle moving perpendicular to a magnetic field has a magnet force on it. But when an observer moves with the particle, so that the particle has a relative velocity of zero with respect to the observer, one would expect there would be no magnetic force. Yet there is still a force. If it is not a magnetic force, then what is the source of this force?
 a. It is an electrical force.
  b. It is due to the ether.
  c. It is a gravitational force.
  d. It is something other than any of the above.

Question 2

A simple pendulum has a mass of 0.50 kg and a length of 1.0 m. It is displaced through an angle of 30 and then released. After a time, the maximum angle of swing is only 10. How much energy has been lost to friction?
 a. 2.0 J
  c. 0.66 J
  b. 1.6 J
  d. 0.58 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

trog

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


jake

  • Member
  • Posts: 538
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Despite the traditional focus on males, females actively choose mates and are the driving force in t Despite the traditional focus on males, females actively choose mates and are the driving force in t
Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ... Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ...
Direct pressure to deep rotator muscles using the elbow. Use the elbow tip to apply pressure moving ... Direct pressure to deep rotator muscles using the elbow. Use the elbow tip to apply pressure moving ...
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: The Vestibular System

For a complete list of videos, visit our video library