9. A pith ball with charge A and mass 0.004 kg is attached to the ceiling with a 25.0 cm long string of negligible mass. A pith ball B with 5.00 µC of charge is placed at the end of a non-conducting rod. Charge B is brought near charge A. Once in equilibrium, the string makes an angle of 30° with the vertical and B is at 10.0 cm from A. What is the charge of A? [-5.03 nC] OA

9. A pith ball with charge A and mass 0.004 kg is attached to the ceiling with a 25.0 cm long string of negligible mass. A pith ball B with 5.00 µC of charge is placed at the end of a non-conducting rod. Charge B is brought near charge A. Once in equilibrium, the string makes an angle of 30° with the vertical and B is at 10.0 cm from A. What is the charge of A? [-5.03 nC] OA

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

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 76P

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Similar questions

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