Ali Al Zaabi MA 242 section 001 Spring 2012 Instructor J Louis Capps WebAssign Section 13 2 Homework Current Score 13 5 13 5 Due Thursday April 19 2012 11 01 PM EDT The due date for this assignment is past Your work can be viewed below but no changes can be made 1 3 3 points Previous Answers Evaluate the line integral where C is the given curve 1 646 1 63 2 3 3 points Previous Answers Evaluate the line integral where C is the given curve C is the line segment from 0 6 1 to 4 1 5 164 164 3 0 5 0 5 points Previous Answers The figure shows a vector field F and two curves C1 and C2 Are the line integrals of F over C1 and C2 positive negative or zero F over C1 positive zero negative F over C2 positive negative zero 4 3 3 points Previous Answers Evaluate the line integral CF dr where C is given by the vector function r t F x y z yz i xz j xy k r t t i t2 j t3 k 0 4096 t 4 4100 5 4 4 points Previous Answers 2 2 2 Find the mass and center of mass of a thin wire in the shape of a quarter circle x y r x x y x y x y 0 y 0 if the density function is
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