An electron (q = -1.6 x10-19 C, m = 9.1x10-31 kg) moves in an uniform magnetic field B= 0.5 Ti . At t=0 the electron has velocity components Vx = 2x105 m/s and Vy = 1x105 m/s and Vz= 0 m/s. in addition the magnetic field there is an electric field E = 2 x 104 iV/m. I. What is the net force acting on the electron at t=0 (direction and magnitude) II. What is the trajectory of the electron. Explain  III. How long does the electron take to make a complete circle  IV. What is the pitch of the electron

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 63P
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An electron (q = -1.6 x10-19 C, m = 9.1x10-31 kg) moves in an uniform magnetic field B= 0.5 Ti . At t=0 the electron has velocity components Vx = 2x105 m/s and Vy = 1x105 m/s and Vz= 0 m/s. in addition the magnetic field there is an electric field E = 2 x 104 iV/m.

I. What is the net force acting on the electron at t=0 (direction and magnitude)

II. What is the trajectory of the electron. Explain 

III. How long does the electron take to make a complete circle

 IV. What is the pitch of the electron 

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