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A point charge q1 = 3.90 nC is placed at the origin, and a second point charge q2 = -2.95 nC is placed on the x-axis at x = +20.0 cm. A third point charge q3 = 2.10 nC is to be placed on the x-axis between qi and q2. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▼ Part A What is the potential energy of the system of the three charges if q3 is placed at x = +1 —| ΑΣΦ U= 9.5 107 -8 Submit Previous Answers Request Answer X Incorrect; Try Again ? J

A point charge q1 = 3.90 nC is placed at the origin, and a second point charge q2 = -2.95 nC is placed on the x-axis at x = +20.0 cm. A third point charge q3 = 2.10 nC is to be placed on the x-axis between qi and q2. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▼ Part A What is the potential energy of the system of the three charges if q3 is placed at x = +1 —| ΑΣΦ U= 9.5 107 -8 Submit Previous Answers Request Answer X Incorrect; Try Again ? J

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A point charge q₁ = 3.90 nC is placed at the origin, and a second point charge q2 = -2.95 nC is placed on the x-axis at x = +20.0 cm. A third point charge q3 = 2.10 nC is to be placed on the x-axis between q₁ and 92. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▼ Part A What is the potential energy of the system of the three charges if q3 is placed at x = + 11.0 cm ? V—| ΑΣΦ U= 9.5 107 8 Submit Part B X Incorrect; Try Again ● x = 7.62 cm Previous Answers Request Answer ✔ Correct Where should q3 be placed between q₁ and q2 to make the potential energy of the system equal to zero? Previous Answers ? J
Transcribed Image Text:A point charge q₁ = 3.90 nC is placed at the origin, and a second point charge q2 = -2.95 nC is placed on the x-axis at x = +20.0 cm. A third point charge q3 = 2.10 nC is to be placed on the x-axis between q₁ and 92. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▼ Part A What is the potential energy of the system of the three charges if q3 is placed at x = + 11.0 cm ? V—| ΑΣΦ U= 9.5 107 8 Submit Part B X Incorrect; Try Again ● x = 7.62 cm Previous Answers Request Answer ✔ Correct Where should q3 be placed between q₁ and q2 to make the potential energy of the system equal to zero? Previous Answers ? J
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