(a) An electron moves through a uniform electric field E = (2.30î + 4.90j) V/m and a uniform magnetic field B = 0.400k T. Determine the acceleration of the electron when it has a velocity v = 11.0î m/s. (Give each component in m/s2.) a, = 3.91e11 Can the magnetic force have a component parallel to the velocity? m/s? a, = .85e11 Calculate the forces due to the electric and magnetic fields separately and then add these forces together. m/s2 a, = 0 v m/s? (b) What If? For the electron moving along the x-axis in the fields in part (a), what speed (in m/s) would result in the electron also experiencing an acceleration directed along the x-axis? 12.25 m/s

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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(a)
An electron moves through a uniform electric field E
(2.30î + 4.9oĵ) V/m and a uniform magnetic field B = 0.400k T. Determine the acceleration of the electron when it has a velocity
%3D
11.0î m/s. (Give each component in m/s2.)
V =
a.
3.91e11
=
Can the magnetic force have a component parallel to the velocity? m/s
.85e11
ay
Calculate the forces due to the electric and magnetic fields separately and then add these forces together. m/s
az
m/s?
(b)
What If? For the electron moving along the x-axis in the fields in part (a), what speed (in m/s) would result in the electron also experiencing an acceleration directed along the x-axis?
12.25
m/s
Transcribed Image Text:(a) An electron moves through a uniform electric field E (2.30î + 4.9oĵ) V/m and a uniform magnetic field B = 0.400k T. Determine the acceleration of the electron when it has a velocity %3D 11.0î m/s. (Give each component in m/s2.) V = a. 3.91e11 = Can the magnetic force have a component parallel to the velocity? m/s .85e11 ay Calculate the forces due to the electric and magnetic fields separately and then add these forces together. m/s az m/s? (b) What If? For the electron moving along the x-axis in the fields in part (a), what speed (in m/s) would result in the electron also experiencing an acceleration directed along the x-axis? 12.25 m/s
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