Written Homework 13 Solutions

Written Homework 13 Solutions - Phvsics 221Fall2007 Written...

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Unformatted text preview: Phvsics 221Fall2007 Written Homework due Tuesday November 27 1-- A metal sphere of radius 15.0 cm has a net charge of 3.00 x l0-8 C. (a) What is the electric field at the sphere's surface? (b) If V:0 at infinity, what is the elestric potential at the sphere's surface? (c) At what distance from the sphere's surface has the electric potential decreased by 500 V? il-\ "l\trr"1\='\/r, Fot f Z l5,o ,c-\r'^' Slrvc y,. t5 + l . L {'o r*TS Rn*ltl\l-l-Y w fr""'fl[.t \ c | c , , t ^ * \ \ = $ " r * * 1 w X l t t u t r * } & . r ( ^ } ' ] l . l \ u o 1 V / * ^ \*?a =tn'*1 U;f)[r-'os 1/r.r{,n.< \,Ktt.. v V t . ) = F o i r V ( . ) = \ . i v \ o f V ( e o ' V L o v a ) '.= \tYrLrJ = U TNS \5 0tstro*,(t Fu*rr qe"*,Tft- cF st'}tkiet' 5v f;-f,t'..C : {i.}sf; *(J.\q 'nnf,'\ {: \_. ( '(-/'n Atov5 1u0-FAc ' )K[\UT p[o*n h r 2-- The electric potential within a specific spheri cal ctnrge distribution varies with the radial coordinate, r, as V(r) - V0 (( /2x.^'), where Vo and R are constants and r V0 (( /2x....
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Written Homework 13 Solutions - Phvsics 221Fall2007 Written...

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