Problem 11-35 Potential and kinematics - Part 4 - B

A proton is accelerated from rest from a positively charged plate to a parallel negatively charged plate. The separation of the plates is \(8.9\; mm.\) If the potential difference between the plates is \(75.3\; V,\) what is the speed of the proton just as it hits the negative plate?
[Ans. \(1.2 \times 10^5\; m/s\)]

Accumulated Solution

No. The definition of the direction of an electric field is that it is the direction that the electric force acts on a positive or a negative charge.

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