How far from a -7.60 μC point charge must a 2.10 μC point charge be placed in order for the electric potential energy of the pair of charges to be -0.500 J? (Take the energy to be zero when the charges are infinitely far apart.)

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Chapter1: Units, Trigonometry. And Vectors
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Problem 18.03
Part A
How far from a -7.60 μC point charge must a 2.10 μC point charge be placed in order for the electric potential energy of the pair of charges to be -0.500 J? (Take the energy to be zero when the charges are infinitely far apart.)
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Transcribed Image Text:Problem 18.03 Part A How far from a -7.60 μC point charge must a 2.10 μC point charge be placed in order for the electric potential energy of the pair of charges to be -0.500 J? (Take the energy to be zero when the charges are infinitely far apart.) d= 17 ΑΣΦ Submit Request Answer → C ? m
Problem 18.14
Two very large metal parallel plates are 15.0 cm apart and carry equal, but
opposite, surface charge densities. (Figure 1) shows a graph of the potential,
relative to the negative plate, as a function of . For this case, is the distance
from the inner surface of the negative plate, measured perpendicular to the
plates, and points from the negative plate toward the positive plate.
Figure
V (volts)
5.0
4.0
✓
3.0
2.0
1.0
5.0 10.0 15.0 20.0
To
0
-x (cm)
1 of 1
Part A
Find the electric field between the plates.
Express your answer in volts per meter to two significant figures.
ΠΙΑΣΦ
Submit
Provide Feedback
Request Answer
?
V/m
Transcribed Image Text:Problem 18.14 Two very large metal parallel plates are 15.0 cm apart and carry equal, but opposite, surface charge densities. (Figure 1) shows a graph of the potential, relative to the negative plate, as a function of . For this case, is the distance from the inner surface of the negative plate, measured perpendicular to the plates, and points from the negative plate toward the positive plate. Figure V (volts) 5.0 4.0 ✓ 3.0 2.0 1.0 5.0 10.0 15.0 20.0 To 0 -x (cm) 1 of 1 Part A Find the electric field between the plates. Express your answer in volts per meter to two significant figures. ΠΙΑΣΦ Submit Provide Feedback Request Answer ? V/m
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