ch23-p025 - 25. (a) The side surface area A for the drum of...

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25. (a) The side surface area A for the drum of diameter D and length h is given by AD h π = . Thus, () ( )( )( ) 12 2 2 5 0 7 8.85 10 C /N m 2.3 10 N/C 0.12 m 0.42 m 3.2 10 C. qA D h E D h σσ ε == = = × × (b) The new charge is ( )( ) 77 8.0 cm 28 cm
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This note was uploaded on 09/07/2010 for the course PHYS 268 taught by Professor Gn during the Fall '10 term at The Petroleum Institute.

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