21. What is the magnitude and direction of the electric field at point Z in the diagram below? (5.8 x 105 N/C right) q - 2.0 x 10-C 8.0 x 10- C 60 cm 30 cm
21. What is the magnitude and direction of the electric field at point Z in the diagram below? (5.8 x 105 N/C right) q - 2.0 x 10-C 8.0 x 10- C 60 cm 30 cm
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Transcribed Image Text:21. What is the magnitude and direction of the electric field at point Z in the diagram below? (5.8 x 105 N/C
right)
- 2.0 x 10-C
q, - 8.0 x 10-C
60 cm
30 cm
22. Determine the magnitude and direction of the electric field at location A in the diagrams below.
Q1
3 µC
Q2
3 µC
-4 µC
Q3
-2 µC
Q2
8 µC
-5µC
Electric Potential Difference
23. What is the speed of an electron that has 13.3 eV of kinetic energy? (answer: 2.16x106 m/s)
24. An alpha particle traveling 7.15x10 m/s is accelerated (speeds up) through a potential difference with
a magnitude of 15.3 V. What is the final speed of the alpha particle? (8.11x104 m/s)
1 cm
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