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Ch17-h1-problems-1

# Ch17-h1-problems-1 - yoon(jey283 Ch17-h1 turner(56545 This...

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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 10.0points 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 10.0points 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(part1of4)10.0points Locations A , B , and C are in a region of uniform electric field, as shown in the diagram below. A B C vector E Location A is at vectorr A = (− 0 . 7 , 0 , 0 ) m . Location B is at vectorr B = ( 0 . 8 , 0 , 0 ) m . In the region the electric field has the value vector E = ( 730 , 0 , 0 ) N / C . For a path starting at B and ending at A , the displacement vector Δ vector will be of the form Δ vector = ( Δ x, 0 , 0 ) . Find Δ x . Answer in units of m 004(part2of4)10.0points Now find the change in electric potential along this path. Answer in units of V 005(part3of4)10.0points 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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