hw07 - Version 001 – HW07 – gavrin – (25111) 1 This...

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Unformatted text preview: Version 001 – HW07 – gavrin – (25111) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. Tipler PSE5 23 26 001 (part 1 of 2) 10.0 points An electron gun fires electrons at the screen of a television tube. The electrons start from rest and are accelerated through a potential difference of 13500 V. The charge and mass on an electron are 1 . 6 × 10- 19 C and 9 . 11 × 10- 31 kg, respectively. What is the energy of the electrons when they hit the screen? Correct answer: J. 002 (part 2 of 2) 10.0 points What is the speed of impact of electrons with the screen of the picture tube? Correct answer: m / s. Electric potential energy 003 10.0 points Consider an equilateral triangle with sides of lengths 2 . 9 μ m and charge- . 2 μ C, 1 . 7 μ C and 1 . 7 μ C located at the corners of the tri- angle....
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This note was uploaded on 04/11/2011 for the course PHYS 251 taught by Professor Rader during the Spring '08 term at IUPUI.

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hw07 - Version 001 – HW07 – gavrin – (25111) 1 This...

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