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Question: 9a find a work of the vector field f 3xyi2on...

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9a) Find a work of the vector field F (3x-y)i(+2)on shifting a unit mass along a broken line OBAD, if O(0.0), B(0,2), A(3,3) D(6,3). 9b) Find a work of the vector field F (3y+2)+j-4k on shifting a unit mass along a broken line ABC, if A(2,0,0), B(0,1,0), C(0,0,2). 10a) Using the definition, find a circulation of the vector field a yi +j+zk along a triangle contour ABC, if A(1,0,0), B(0.2.0), C(0.0.3) ( counterclockwise direction) | 1 0b) Using the definition, find a circulation ofthe vector field a = 51+22+ (y + 1)k along a triangle contour ABC, if A(3.0.0). B(0,3,0),C(0,0,1) (counterclockwise direction). 11 a) Find a circulation ofthe vector field ā-(x2 + y) i +壯k along a closed contour L. where L is {r=2cost, y-2sint, z = 1-cost}, te(0,2z) 11b) Find a circulation ofthe vector field a=yitzj+2xk along a closed contour L. where L is fr-5, y - cost,-3sin, e0,2
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