PHYSICS 240 Exam 3--Fall 2002 - -l tname Yourprinted Your...

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-l t- tb( Your printed name ,(o, 'r' =C :'(( Your Signature Physics 240 Third Exam November 2112002 Theexam is 75 minutes long. There are20 questions, check that you have all pages' You may u* on, 3" by 5" card of notes and a calculator. No other notes or books are allowed' Muke sure yolt correctly copy your choices to the answer slrcet. Make st.re yott ptrt the examversion (2) on the answer sheet' Section Time 004 8:00 005 9:00 006 I l:00 007 2:00 008 3:00 009 4:00 012 9:00 013 10:00 014 11:00 015 10:00 016 I l:00 017 12:00 023 10:00 024 3:00 025 1:00 027 2:00 028 2:00 029 9:00 prefixes: Mmega=t06,kkilo=103,mmilli=10-3,pmicro=10-6,nni'lno=10-e,ppico=lg'12 Location 316 Dennison 316 Dennison 325 Dennison 224 Dennison 224 Dennison 224 Dennison 205 Dennison 205 Dennison 205 Dennison 316 Dennison 316 Dennison 316 Dennison 325 Dennison 316 Dennison 316 Dennison 316 Dennison 325 Dennison 325 Dennison lnstructor Winn Winn Winn Bretz Bretz Bretz Kurdak Kurdak Kurdak Zhoa Zhou Zhou Tomozawa Winn Winn Winn Tomozawa Tomozawa Somephysical constants: Coulomb's law constant Chargeon electron Mass of electron Mass of proton Permittivity of free space Permeability of free space Speed of light in vacuum k = g.g88 * loe N-m2/C2 e= -!.602 * 16-tr a m" = 9.109 * 10rr kg mo= 1.672x 10-27 kg €o = 8.854 * 16-12 C2A{-m2 vo= 4n * 10-7 T-m/A c =2.998 * 108 m/s
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], 167 /'1 f/ Physics 240 Fall 2002 Exam 3 N, )N" 5.Inanideal1:[email protected] current is 25A. The primary voltage is: /,= | Pp = lO' lot t^t Vo = ? A) 6.25V Nras \=25 n B) 25,600 V c) 32oo v D ) 4 0 0 V ? e = f ' 2 (p sov ,':::,,, to'to? N' v'r' '% = tt' v , 4 vrT, = (rt v.= ,/? (. v '. lndD. *4"' = L( A star has a total power output of W = 3 x 1027 of electromagnetiJraaiation. O1?urt spherical particle with radius r is at a distance D=7.5 x 1010 meters from the star. The force on the particle due to the radiation pressure from the star is W = 3'lo?7 'b = 1,E'ht' rt - O H,H.
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