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Unformatted text preview: F over C 1 and C 2 positive, negative, or zero? 12/9/08 7:47 PM Section 13.2 Page 2 of 2 http://www.webassign.net/[email protected]/[email protected] F over C 1 positive zero negative F over C 2 positive negative zero 4. [SCalcCC2 13.2.16.] 2/2 points Evaluate the line integral C F· d r , where C is given by the vector function r ( t ). F ( x , y, , z ) = yz i + xz j + xy k , r ( t ) = t i + t 2 j + t 3 k , 0 t 3 729 729 5. [SCalcCC2 13.2.26.] 4/4 points Find the mass and center of mass of a thin wire in the shape of a quartercircle x 2 + y 2 = r 2 , x 0, y 0, if the density function is ρ ( x , y ) = x + y . = (r*pi+2r)/8 (r*pi + 2*r)/8 = (r*pi+2r)/8 (r*pi + 2*r)/8...
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 Spring '08
 Bliss
 Derivative, Integrals, Line integral, Vector field, Stokes' theorem, April Alston

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