10. (a) The total surface area bounding the bathroom is ()( ) ( )22 2.5 3.02 3.0 2.02 2.0 2.537 m .A=×+×=The absolute value of the total electric flux, with the assumptions stated in the problem, is 232||||||(600 N/C)(37 m )22 10 N m / C.EAΦ=⋅ === ×⋅∑GGGBy Gauss’ law, we conclude that the enclosed charge (in absolute value) is 7enc0||||2.0 10 C.qε−=Φ
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This note was uploaded on 09/07/2010 for the course PHYS 234 taught by Professor Ui during the Fall '10 term at The Petroleum Institute.