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Author Question: An electron moving in the positive x direction experiences a magnetic force in the positive z ... (Read 66 times)

tfester

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on: Jul 28, 2018
An electron moving in the positive x direction experiences a magnetic force in the positive z direction. If Bx = 0, what is the direction of the magnetic field?
 a. negative y direction
  b. positive y direction
  c. negative z direction
  d. positive z direction
  e. negative x direction

Question 2

A particle (q = -4.0 mC, m = 5.0 mg) moves in a uniform magnetic field with a velocity having a magnitude of 2.0 km/s and a direction that is 50 away from that of the magnetic field. The particle is observed to have an acceleration with a magnitude of 5.8 m/s2 . What is the magnitude of the magnetic field?
 a. 5.3 mT
  b. 4.9 mT
  c. 5.1 mT
  d. 4.7 mT
  e. 3.6 mT


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karlss

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


tfester

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


karlss

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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