PHYS 208 Midterm: PHYS 208 TAMU PHYS208 Exam1Spring 15 Solutions
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11 a g: (20 marks) two 1. 0-cm-diameter non-conducting spheres have a total charge of 75. 0 jlc (shared between them) and are placed 1. 05 m apart. The spheres are not connected to each other. J( i~a ~ a1h~ / !bt !" and jz. 0 ~ 10- "" g i - / . 3 5" )( 10- tj : 0. ; 90)/ /0 -i- tyz is x it) - , :"i(~~ d ~,;f/uz. to -/s:~ci: jjic11ced~) ~ ! . flr~ (/. 25)" t/ - /00 x /()-b~1 : 3tflf :j{ /d-9 ~o r. ~ ~~"u 1-i:~s. etuc i ijgi o~u "". 3o,~p c i: . j-- z"{i ;)(/o-~-j"), . ,. ~ 100 1( if) -/" ~ . 110 -g ~ s-j "i)( 10"_" : 8"if x /0-"- til /6 ~ 10 ~, ~~s ~i+ 8j. f. t:flc ~ ""//". 1 (20 marks) find the total electric field e (as a vector) at the origin 0 in the figure as a result ofthe charges qj and q2, under the following conditions:
