60. A small 2.0 g plastic ball is suspended by a 20.0 cm string in a uniform electric field of 1.0x 10* N/C, as shown in Figure 17-32. a. Is the ball's charge positive or negative? b. If the ball is in equilibrium when the string makes a 15° angle with the vertical as indicat- ed, what is the net charge on the ball? E= 1.0x 104 N/C 20.0 cm 150 m= 2.0 g

60. A small 2.0 g plastic ball is suspended by a 20.0 cm string in a uniform electric field of 1.0x 10* N/C, as shown in Figure 17-32. a. Is the ball's charge positive or negative? b. If the ball is in equilibrium when the string makes a 15° angle with the vertical as indicat- ed, what is the net charge on the ball? E= 1.0x 104 N/C 20.0 cm 150 m= 2.0 g

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 67P: A small, 2.00-g plastic ball is suspended by a 20.0-cm-long string in a uniform electric field as...

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