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hanna.eunice
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Homework Statement
An electron acquires 3.45x10^(-16) J of kinetic energy when it is accelerated by an electric field in a computer monitor from plate A to plate B. What is the potential difference between the plates, and which plate is at the higher potential?
Homework Equations
KE=1/2mv^2
The Attempt at a Solution
The given answer is 2.16x10^3V...How and why?
Plate B has the higher potential.