3.0 x 10° m/s.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: Electric Potential And Capacitance
Section: Chapter Questions
Problem 54P: A parallel-plate capacitor has a charge Q and plates of area A. What force acts on one plate to...
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Please solve d,e,f (three sub-parts)

1. Imagine a positively charged particle entering a uniform electric field
generated by two parallel plates, as shown below.
The magnitude of the electric field is 2.5 x105 N/C, and the speed of
the proton when it enters is 1.5×10' m/s.
Neglect the force of gravity in this problem.
a. Which force/forces is/are acting on the proton in the x and the y
directions while it is between the parallel plates? What are their
magnitudes and directions?
b. What is the proton's final velocity in the x direction as it emerges from
the parallel plates?
c. By what distance, d, has the proton been deflected when it leaves the
plates?
Now, an electron is sent into the same field, from the left, with the
same initial velocity as the proton.
d. By what distance, d, has the electron been deflected when it leaves the
plates? Be sure to indicate the direction.
e. What would the initial speed of the electron in the x-direction need to
be for it to have the same magnitude of deflection as the proton?
f. Express this speed in terms of the speed of light, c = 3.0 x 10% m/s.
Comment on your result.
-12.0 cm-
Transcribed Image Text:1. Imagine a positively charged particle entering a uniform electric field generated by two parallel plates, as shown below. The magnitude of the electric field is 2.5 x105 N/C, and the speed of the proton when it enters is 1.5×10' m/s. Neglect the force of gravity in this problem. a. Which force/forces is/are acting on the proton in the x and the y directions while it is between the parallel plates? What are their magnitudes and directions? b. What is the proton's final velocity in the x direction as it emerges from the parallel plates? c. By what distance, d, has the proton been deflected when it leaves the plates? Now, an electron is sent into the same field, from the left, with the same initial velocity as the proton. d. By what distance, d, has the electron been deflected when it leaves the plates? Be sure to indicate the direction. e. What would the initial speed of the electron in the x-direction need to be for it to have the same magnitude of deflection as the proton? f. Express this speed in terms of the speed of light, c = 3.0 x 10% m/s. Comment on your result. -12.0 cm-
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