1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the repulsive force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other? 2. Three point charges are arranged on a line. Charge q3 = +5.00 nC and is at the origin. Charge q2 = -3.00 nC and is at x = +4.00 cm Charge q1 is at x = +2.00 cm. What is q1 (magnitude and sign) if the net force on q3 is zero?
1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the repulsive force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other? 2. Three point charges are arranged on a line. Charge q3 = +5.00 nC and is at the origin. Charge q2 = -3.00 nC and is at x = +4.00 cm Charge q1 is at x = +2.00 cm. What is q1 (magnitude and sign) if the net force on q3 is zero?
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 28P: Three equal positive charges q are at the comers of an equilateral triangle of side a as shown in...
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