P24_036 - 36. (a) Since r1 = 10.0 cm < r = 12.0 cm < r2 =...

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36. (a) Since r 1 =10 . 0cm <r =12 . 2 =15 . 0cm, E ( r )= 1 4 πε 0 q 1 r 2 = (8 . 99 × 10 9 N · m 2 / C 2 )(4 . 00 × 10 8 C) (0 . 120 m) 2 =2 . 50 × 10 4 N / C . (b) Since r 1 2 =20 . , E ( r 1 4 0 q 1 + q 2 r 2 = (8 . 99 × 10 9 N · m 2 / C 2 )(4 . 00 + 2 . 00)(1 × 10
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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