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Author Question: A charged particle (m = 2.0 g, q = 50 C) moves in a region of uniform field along a helical path ... (Read 67 times)

KWilfred

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  • Posts: 570
on: Jul 28, 2018

A charged particle (m = 2.0 g, q = 50 C) moves in a region of uniform field along a helical path (radius = 4.0 cm, pitch = 8.0 cm) as shown. What is the angle between the velocity of the particle and the magnetic field?
 
   


   
  a.
  27
   
  b.
  72
   
  c.
  63
   
  d.
  18
   
  e.
  58

Question 2

The boundary shown is that of a uniform magnetic field directed in the positive z direction. An electron enters the magnetic field with a velocity pointing along the x axis and exits 0.63 s later at point A. What is the magnitude of the magnetic field?
 
   


   
  a.
  18 T
   
  b.
  14 T
   
  c.
  28 T
   
  d.
  34 T
   
  e.
  227 T


bubulittle310@msn.cn

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

b

Answer to Question 2

b


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