73. We choose a coordinate system whose origin is at the center of the flat base, such that the base is in the xyplane and the rest of the hemisphere is in the z> 0 half space. (a) ()2222ˆˆkk(0.0568 m)(2.50 N/C)0.0253 Nm /C.
This is the end of the preview.
access the rest of the document.