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Author Question: An electron follows a circular path (radius = 15 cm) in a uniform magnetic field (magnitude = 3.0 ... (Read 244 times)

WWatsford

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on: Jul 28, 2018
An electron follows a circular path (radius = 15 cm) in a uniform magnetic field (magnitude = 3.0 G). What is the period of this motion?
 a. 0.12 ms
  b. 1.2 ms
  c. 0.18 ms
  d. 1.8 ms
  e. 1.8 ms

Question 2

An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 mT, and points in the positive x direction. At t = 0 the electron has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. What is the radius of the resulting helical path?
 a. 4.7 mm
  b. 18 mm
  c. 3.8 mm
  d. 2.8 mm
  e. 5.7 mm


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coreycathey

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

A

Answer to Question 2

C


WWatsford

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

Liddy

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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