Given two particles with Q = 3.30-μC charges as shown in the figure below and a particle with charge q = 1.27 x 10-18 C at the origin. (Note: Assume a reference level of potential V = 0 at r = ∞o.) O y Q 0 = -0.800 m Ⓡ (a) What is the net force (in N) exerted by the two 3.30-μC charges on the charge q? (Enter the magnitude.) N x = 0.800 m x (b) What is the electric field (in N/C) at the origin due to the two 3.30-μC particles? (Enter the magnitude.) N/C (c) What is the electrical potential (in kV) at the origin due to the two 3.30-μC particles? KV

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Chapter20: Electric Potential And Capacitance
Section: Chapter Questions
Problem 19P: Two particles, with charges of 20.0 nC and 20.0 nC, are placed at the points with coordinates (0,...
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Given two particles with Q = 3.30-µC charges as shown in the figure below and a particle with charge q = 1.27 × 10-18 C at the origin. (Note: Assume a reference level of
potential V = 0 at r = ∞0.)
Q
x = -0.800 m
y
9
0
x = 0.800 m
x
(a) What is the net force (in N) exerted by the two 3.30-μC charges on the charge q? (Enter the magnitude.)
N
J
(b) What is the electric field (in N/C) at the origin due to the two 3.30-μC particles? (Enter the magnitude.)
N/C
(c) What is the electrical potential (in kV) at the origin due to the two 3.30-μC particles?
kV
(d) What If? What would be the change in electric potential energy (in J) of the system if the charge q were moved a distance d = 0.400 m closer to either of the 3.30-μC
particles?
Transcribed Image Text:Given two particles with Q = 3.30-µC charges as shown in the figure below and a particle with charge q = 1.27 × 10-18 C at the origin. (Note: Assume a reference level of potential V = 0 at r = ∞0.) Q x = -0.800 m y 9 0 x = 0.800 m x (a) What is the net force (in N) exerted by the two 3.30-μC charges on the charge q? (Enter the magnitude.) N J (b) What is the electric field (in N/C) at the origin due to the two 3.30-μC particles? (Enter the magnitude.) N/C (c) What is the electrical potential (in kV) at the origin due to the two 3.30-μC particles? kV (d) What If? What would be the change in electric potential energy (in J) of the system if the charge q were moved a distance d = 0.400 m closer to either of the 3.30-μC particles?
Three charged particles of
93
91
= 30.0 nC, 92
94
·X
= -30.0 nC, and
93
= 15.0 nC are placed on the y-axis, as shown in the figure.
Charge q₁ has the coordinates (0, 8.00 cm), 92 has the coordinates (0, −8.00 cm), and 93 is located at the origin.
(a) Find the electric potential energy (in J) of the configuration of the three fixed charges.
-5.0625e-5
J
(b) A fourth particle, with a mass of 1.50 × 10-13 kg and a charge of 94 = 60.0 nC, is released from rest at the point (6.00 cm, 0). Find its speed (in m/s) after it has
moved freely to a very large distance away.
2.5e4
Transcribed Image Text:Three charged particles of 93 91 = 30.0 nC, 92 94 ·X = -30.0 nC, and 93 = 15.0 nC are placed on the y-axis, as shown in the figure. Charge q₁ has the coordinates (0, 8.00 cm), 92 has the coordinates (0, −8.00 cm), and 93 is located at the origin. (a) Find the electric potential energy (in J) of the configuration of the three fixed charges. -5.0625e-5 J (b) A fourth particle, with a mass of 1.50 × 10-13 kg and a charge of 94 = 60.0 nC, is released from rest at the point (6.00 cm, 0). Find its speed (in m/s) after it has moved freely to a very large distance away. 2.5e4
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