physics help???

Posted on 2015-09-08 05:56:00 in Physics by NICOLE

1) You want to better understand the nature of charge distributions, so you imagine a long thin rod of length 5 meters carrying 6.4 Coulombs of charge. You imagine that the charge is evenly distributed on the rod. What is the charge density of the rod?
2) What is the charge density if you double the length of the rod?
3) Now you consider the same amount of charge spread evenly over a square plate whose side has length 5. What is the charge density of the plate?
4) What is the charge density of the plate if you double the length of its sides?
5) Finally you consider the same amount of charge spread evenly within a cube whose side has length 5. What is the charge density of the cube?
6) What is the charge density of the cube if you double the length of its sides?

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