problem23_54

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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23.54: a) = - - - = + - + - = 1 1 2 2 . ) 1 ( 2 3 1 2 1 1 2 i i i d kq d d d kq U b) ) 2 ln( 2 2 d kq U - = c) The potential energy is the same for the negative ions—the equations are identical if we examine (a). d) If . J 10 13 . 1 m 10 82 . 2 ) 2 ( ln
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Unformatted text preview: 10 60 . 1 ( 2 then , m 10 82 . 2 18 10 2 19 10----×-= × ×-= × = k U d e) The real energy ) J 10 80 . ( 18-×-is about 70% of that calculated above....
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