Ch17-h1-problems-1

Ch17-h1-problems-1 - yoon (jey283) – Ch17-h1 – turner...

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Unformatted text preview: yoon (jey283) – Ch17-h1 – turner – (56545) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points What is the kinetic energy of a proton that is traveling at a speed of 3650 m / s? Take the mass of the proton to be 1 . 67 × 10- 27 kg. Answer in units of J 002 10.0 points If the kinetic energy of an electron is 4 . 1 × 10- 18 J, what is the speed of the elec- tron? You can use the approximate (non- relativistic) formula here. Take the mass of the electron to be 9 . 11 × 10- 31 kg. Answer in units of m / s 003 (part 1 of 4) 10.0 points Locations A , B , and C are in a region of uniform electric field, as shown in the diagram below. b b b A B C vector E Location A is at vectorr A = (− . 7 , , ) m . Location B is at vectorr B = ( . 8 , , ) m . In the region the electric field has the value vector E = ( 730 , , ) N / C . For a path starting at B and ending at A , the displacement vector Δ vector ℓ will be of the form Δ vector ℓ = ( Δ x, , ) . Find Δ x . Answer in units of m 004 (part 2 of 4) 10.0 points Now find the change in electric potential along this path. Answer in units of V 005 (part 3 of 4) 10.0 points Find the change in potential energy when a proton ( m p = 1 . 7 × 10- 27 kg and q p = 1 . 6 × 10- 19 C) moves from B to A ....
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This note was uploaded on 10/19/2011 for the course PHY 56545 taught by Professor Turner,j during the Fall '11 term at University of Texas.

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Ch17-h1-problems-1 - yoon (jey283) – Ch17-h1 – turner...

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