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May 27, 2015

Homework Help: physics

Posted by k on Thursday, March 21, 2013 at 10:17am.

Object I is a solid cylinder with diameter d has resistance R. What would be resistance of another object made of the same material and with the same mass as Object I but has the cross section shown below (it is a hollow cylinder with outer diameter 2d and inner diameter d).
R/9
9R
R
R/3
3R

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