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A point charge q₁ = 4.10 nC is placed at the origin, and a second point charge q2 = -2.90 nC is placed on the x-axis at z = +20.5 cm. A third point charge q3 = 2.10 nC is to be placed on the z-axis between qı 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 = +11.0 cm? Express your answer in joules. U= Submit Part B IVE ΑΣΦ I= Submit 1 Request Answer Where should q3 be placed between ₁ and q2 to make the potential energy of the system equal to zero? Express your answer in centimeters. 15. ΑΣΦ - Provide Feedback 4 ? Request Answer J ? cm

A point charge q₁ = 4.10 nC is placed at the origin, and a second point charge q2 = -2.90 nC is placed on the x-axis at z = +20.5 cm. A third point charge q3 = 2.10 nC is to be placed on the z-axis between qı 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 = +11.0 cm? Express your answer in joules. U= Submit Part B IVE ΑΣΦ I= Submit 1 Request Answer Where should q3 be placed between ₁ and q2 to make the potential energy of the system equal to zero? Express your answer in centimeters. 15. ΑΣΦ - Provide Feedback 4 ? Request Answer J ? cm

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A point charge q₁ = 4.10 nC is placed at the origin, and a second point charge q2 = -2.90 nC is placed on the x-axis at x = +20.5 cm. A third point charge q3 = 2.10 nC is to be placed on the z-axis between 9₁ 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 z = +11.0 cm? Express your answer in joules. U = Submit Part B 15] ΑΣΦ Submit 1 Provide Feedback Request Answer Where should q3 be placed between 9₁ and 9₂ to make the potential energy of the system equal to zero? Express your answer in centimeters. —| ΑΣΦ ↑ P Request Answer ? J 200 ? cm
Transcribed Image Text:A point charge q₁ = 4.10 nC is placed at the origin, and a second point charge q2 = -2.90 nC is placed on the x-axis at x = +20.5 cm. A third point charge q3 = 2.10 nC is to be placed on the z-axis between 9₁ 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 z = +11.0 cm? Express your answer in joules. U = Submit Part B 15] ΑΣΦ Submit 1 Provide Feedback Request Answer Where should q3 be placed between 9₁ and 9₂ to make the potential energy of the system equal to zero? Express your answer in centimeters. —| ΑΣΦ ↑ P Request Answer ? J 200 ? cm
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