A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.00 cm apart. A proton is released from rest at the positive plate at the same instant an electron is released from rest at the negative plate. (a) Determine the distance from the positive plate at which the two pass each other. Ignore the electrical attraction between the proton and elec- tron. (b) What If? Repeat part (a) for a sodium ion (Na*) and a chloride ion (Cl¯).

Question
A uniform electric field of magnitude 640 N/C exists
between two parallel plates that are 4.00 cm apart.
A proton is released from rest at the positive plate at
the same instant an electron is released from rest at the
negative plate. (a) Determine the distance from the
positive plate at which the two pass each other. Ignore
the electrical attraction between the proton and elec-
tron. (b) What If? Repeat part (a) for a sodium ion
(Na*) and a chloride ion (Cl¯).
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Transcribed Image Text

A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.00 cm apart. A proton is released from rest at the positive plate at the same instant an electron is released from rest at the negative plate. (a) Determine the distance from the positive plate at which the two pass each other. Ignore the electrical attraction between the proton and elec- tron. (b) What If? Repeat part (a) for a sodium ion (Na*) and a chloride ion (Cl¯).

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