problem23_64

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

• Homework Help
• PresidentHackerCaribou10582
• 1

This preview shows page 1. Sign up to view the full content.

23.64: a) From Example 23.12: 1 1 ln 2 ln 2 ) ( 2 2 2 2 2 2 2 2 - + + + = - + + + = x a x a x a x a a kQ a x a a x a a kQ x V . 2 2 2 1 2 1 2 ) ( 2 1 ) 1 ( ln and , 1 2 1 1 1 , If 2 2 2 2 2 2 x kQ x a a kQ x a x a x a x a a kQ x V α α α x a x a x a x a x a x a = = + + - - + + + + + + ± + ± + << That is, the finite rod acts like a point charge when you are a long way from it. b) From Example 23.12: . 1 1 1 1 ln 2 ln 2 ) ( 2 2 2 2 2 2 2 2 - + + + = - + + + = a x a x a kQ a x a a x a a kQ x V ). / 2 ( ln 2 λ ) 2 ln( 4 ) 2 ( In 1 4 ln 2 ) 2 ( ) 2 2 ( ln 2 ) ( 2 1 ) 1 ( ln and , 2 1 1 1 1 1 , 0 0 2 2 2 2 2 2 2 2 2 2 x a πε
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: x a a πε Q x a a kQ x a a kQ a x a x a kQ x V α α α a x a x a x If = = ≈ + = + ≈ ⇒ ⋅ ⋅ ⋅ + + ≈ + + ± ≈ ± + << Thus , 2 and , 2 λ a R a Q = ≡ which is the only natural length in the problem....
View Full Document

• '
• NoProfessor
• kq, finite rod acts

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern