HW5problem_pdf - luu (nml299) – HW05 – markert –...

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Unformatted text preview: luu (nml299) – HW05 – markert – (58710) 1 This print-out should have 21 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points The distance between the K + and Cl- ions in KCl is 2 . 8 × 10- 10 m. Calculate the energy required to separate the two ions to an infinite distance apart, assuming them to be point charges initially at rest. The charge on an electron is 1 . 6 × 10- 19 C and the Coulomb constant is 8 . 99 × 10 9 N · m 2 / C 2 . 1. 709 . 1 eV 2. 5 . 14 eV 3. 6 . 77 eV 4. 8 . 91 eV 5. 4 . 37 eV 6. 101 . 3 eV 002 (part 1 of 2) 10.0 points A battery or batteries connected to two par- allel plates produce the equipotential lines shown between the plates. 2V 1V 0V- 1V- 2V Which of the following configurations is most likely to produce these equipotential lines? 1. +- 2V 2. +- 2V- + 2V 3. +- 2V +- 2V 4.- + 2V 5.- + 2V- + 2V 003 (part 2 of 2) 10.0 points The force vector F on an electron located on the 0-volt potential line is 1. directed to the right, but its magnitude cannot be determined without knowing the distance between the lines. 2. directed to the left, but its magnitude cannot be determined without knowing the distance between the lines. 3. vector F = 0 N. 4. vector F = 1 N, directed to the right. luu (nml299) – HW05 – markert – (58710) 2 5. vector F = 1 N, directed to the left....
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This note was uploaded on 09/22/2010 for the course PHY 58710 taught by Professor Markert during the Spring '09 term at University of Texas at Austin.

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HW5problem_pdf - luu (nml299) – HW05 – markert –...

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