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67. We choose a coordinate system whose origin is at the center of the flat base, such that
the base is in the
xy
plane and the rest of the hemisphere is in the
z
> 0 half space.
(a)
()
22
2
2
ˆˆ
k
k
(0.0568 m) (2.50 N/C)
0.0253 N m /C.
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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