A small, 3.0 g plastic ball is suspended by a 20.0 cm long string in a uniform electric field as shown in Figure below. If the ball is in equilibrium when the string make a 15.0° angle with the vertical, the net charge on the ball is

A small, 3.0 g plastic ball is suspended by a 20.0 cm long string in a uniform electric field as shown in Figure below. If the ball is in equilibrium when the string make a 15.0° angle with the vertical, the net charge on the ball is

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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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A small, 3.0 g plastic ball is suspended by a 20.0 cm
long string in a uniform electric field as shown in
Figure below. If the ball is in equilibrium when the
string make a 15.0° angle with the vertical, the net
charge on the ball is
Hint: Consider g= 10.0 m/s?
a) 5.36 µC,
b) 8.04 uC.
c) 2.68 µC.
d) 7.05 uC.
E = 1.0 x 103 N/C i
E = 1 x 10 N/Ci
20.0 cm
15.0
-3.0 g
TOSHIBA
INS
SCROLL LOCK
7 V
8A 9
T Y!UI

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