The figure below shows a small, hollow, rubber ball hanging vertically from a thin, lightweight string. The ball has a mass of 7.00 g and a uniformly distributed charge of q, = 29.9 nC. Directly below it is a second ball with the same mass, but a charge of 92 = -58.0 nc. (Assume this second ball is fixed in place.) The centers of the two rubber balls are a distance d = 2.00 cm apart. (a) What is the tension (in N) in the string? N (b) The string will break if the tension in it exceeds 0.180 N. What is the smallest possible value of d (in cm) before the string breaks? cm

University Physics Volume 2
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Chapter5: Electric Charges And Fields
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Problem 57P: The net excess charge on two small spheres (small enough to be treated as point charges) is Q. Show...
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The figure below shows a small, hollow, rubber ball hanging vertically from a thin, lightweight string. The ball has a mass of 7.00 g and a uniformly distributed charge of q,
ball is fixed in place.) The centers of the two rubber balls are a distance d = 2.00 cm apart.
= 29.9 nC. Directly below it is a second ball with the same mass, but a charge of q, = -58.0 nC. (Assume this second
92
(a) What is the tension (in N) in the string?
N
(b) The string will break if the tension in it exceeds 0.180 N. What is the smallest possible value of d (in cm) before the string breaks?
cm
Transcribed Image Text:The figure below shows a small, hollow, rubber ball hanging vertically from a thin, lightweight string. The ball has a mass of 7.00 g and a uniformly distributed charge of q, ball is fixed in place.) The centers of the two rubber balls are a distance d = 2.00 cm apart. = 29.9 nC. Directly below it is a second ball with the same mass, but a charge of q, = -58.0 nC. (Assume this second 92 (a) What is the tension (in N) in the string? N (b) The string will break if the tension in it exceeds 0.180 N. What is the smallest possible value of d (in cm) before the string breaks? cm
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