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sol7 - Name Pené Q 1(5 pt A piece of Wire with uniform...

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Unformatted text preview: Name Pené Q, 1. (5 pt) A piece of Wire, with uniform line density 1, is described by g '7}: cos 66}: + sin 06}, + 3e}, where O S 6 g g Find the mass center of the wire. (You may want to draw a picture to double check your answer.) -7 I: W21 £2222: +2223 2223:) 1:32:22 m2; .fig22CCflg 2 2222 («>2 22> 21 2’ ._ Kamarfg' HYDl €149 MM? Cent/av 3 ’ I 2. (5 pt) Calculate fc ? Cl??? and fa 7") X d? with ?2 (éz >< ?)/léz X 7W2 when C is the circle of radius R in the :10 ,y plane centered at the origin. M3) $M'm A 3 I\ { 67% CL‘ 11/4,: 6/ J6 F Y 5 JW 6 [9:207 i: i ' at? 83. 5:422) 0%,! gig/KY7: ”(Via/13:7“ it, g 2—7 r ' [i77i 55;),dy? V Math , 321Quiz 7 C, C, C. C , W, 22cewv 1/“ _ ~ ‘1‘ :2 €252“ CE; ‘2 62’) 6; ng>//d}7 A ~> _ .: Zfl @\ " (6%” V-)XC£Y '0 c .. , “5 a 2 :27 22>: @ ICEK‘JY)” g; 3&3}; , ‘Jc‘pxdy 0 0 /\ 76 ...
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