ch23-p047 - 47. (a) Since r1 = 10.0 cm < r = 12.0 cm < r2 =...

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47. (a) Since r 1 = 10.0 cm < r = 12.0 cm < r 2 = 15.0 cm, () ( ) 92 2 8 4 1 2 2 0 8.99 10 N m /C 4.00 10 C 1 ( ) 2.50 10 N/C. 4 0.120 m q Er r ε ×⋅ × == = × π (b) Since r 1 < r 2 < r = 20.0 cm, ( )( )
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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