Electrons in a particle beam each have a kinetic energy of 3.2 *10 - 17 J. What is the magnitude of the electric field that will stop these electrons in a distance of 0.05 m? (e = 1.6 * 10 - 19 C)
A) 2000 N/C
B) 4000 N/C
C) 200 N/C
D) 1000 N/C
Correct Answer:
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