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July 2, 2015

Homework Help: Physics

Posted by Max on Thursday, September 16, 2010 at 1:42am.

A uniform electric field of magnitude 370 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 2.70 cm.
(a) What is the work done by the field on the electron?
J?

(b) What is the change in potential energy associated with the electron?
J?

(c) What is the velocity of the electron?
magnitude? m/s
direction



2.
Oppositely charged parallel plates are separated by 5.26 mm. A potential difference of 600 V exists between the plates.
(a) What is the magnitude of the electric field between the plates?
N/C?

(b) What is the magnitude of the force on an electron between the plates?
N?

(c) How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.94 mm from the positive plate?
J?

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