Two large parallel plates have been oppositely charged. There is a uniform electric field E~ present between the plates, as shown in the fig- ure. A proton, with mass mp, is released from the positive plate at the same moment as an elec- tron, with mass me, is released from the negative plate. Ignore the force that the two charges exert on each other. What fraction of the way to the negative plate has the proton moved by the time the electron passes it?

Two large parallel plates have been oppositely charged. There is a uniform electric field E~ present between the plates, as shown in the fig- ure. A proton, with mass mp, is released from the positive plate at the same moment as an elec- tron, with mass me, is released from the negative plate. Ignore the force that the two charges exert on each other. What fraction of the way to the negative plate has the proton moved by the time the electron passes it?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 83P: The charge per unit length on the thin rod shown below is . What is the electric field at the point...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Two large parallel plates have been oppositely
charged. There is a uniform electric field E~
present between the plates, as shown in the fig-
ure. A proton, with mass mp, is released from
the positive plate at the same moment as an elec-
tron, with mass me, is released from the negative
plate. Ignore the force that the two charges exert
on each other. What fraction of the way to the
negative plate has the proton moved by the time
the electron passes it?

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Acceleration of the proton and electron

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