Three charged particles of 9₁ = 30.0 nC, 92 = -30.0 nC, and 93 = 15.0 nC are placed on the y-axis, as shown in the figure. 94 93 x Charge q₁ has the coordinates (0, 12.0 cm), 92 has the coordinates (0, -12.0 cm), and 93 is located at the origin. (a) Find the electric potential energy (in J) of the configuration of the three fixed charges. J -13 (b) A fourth particle, with a mass of 1.74 × 10° kg and a charge of 94 = 60.0 nC, is released from rest at the point (9.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large distance away. m/s

College Physics
11th Edition
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Three charged particles of 9₁ = 30.0 nC, 92
= -30.0 nC, and 93 = 15.0 nC are placed on the y-axis, as shown in the figure.
94
93
x
Charge q₁ has the coordinates (0, 12.0 cm), 92 has the coordinates (0, -12.0 cm), and 93 is located at the origin.
(a) Find the electric potential energy (in J) of the configuration of the three fixed charges.
J
-13
(b) A fourth particle, with a mass of 1.74 × 10° kg and a charge of 94 = 60.0 nC, is released from rest at the point
(9.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large distance away.
m/s
Transcribed Image Text:Three charged particles of 9₁ = 30.0 nC, 92 = -30.0 nC, and 93 = 15.0 nC are placed on the y-axis, as shown in the figure. 94 93 x Charge q₁ has the coordinates (0, 12.0 cm), 92 has the coordinates (0, -12.0 cm), and 93 is located at the origin. (a) Find the electric potential energy (in J) of the configuration of the three fixed charges. J -13 (b) A fourth particle, with a mass of 1.74 × 10° kg and a charge of 94 = 60.0 nC, is released from rest at the point (9.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large distance away. m/s
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