Two small spheres spaced 20 cm apart have equal charge. How many excess electrons must be present on eac sphere if the magnitude of the force of repulsion between them is 4.57 × 10^-21 N O 870 990 890 850 780

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 56P
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Two small spheres spaced 20 cm apart have equal charge. How many excess electrons must be present on each
sphere if the magnitude of the force of repulsion between them is 4.57 x 10^-21 N
46
52
Ο Ο
56
:53
870
990
890
850
780
780
< Previous
✓ Finish
17:59
1x
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Transcribed Image Text:18 18 Two small spheres spaced 20 cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 x 10^-21 N 46 52 Ο Ο 56 :53 870 990 890 850 780 780 < Previous ✓ Finish 17:59 1x Speed Quality
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