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Find the Work Done by the Force Field F(x,y)=xsin(y)i+yj\mathbf { F } ( x , y ) = x \sin ( y ) \mathbf { i } + y \mathbf { j }

Question 28

Multiple Choice

Find the work done by the force field F(x,y) =xsin(y) i+yj\mathbf { F } ( x , y ) = x \sin ( y ) \mathbf { i } + y \mathbf { j } on a particle that moves along the parabola y=x2y = x ^ { 2 } from (1,1) ( 1,1 ) to (2,4) ( 2,4 ) .


A) (15+sin(1) cos(4) ) 2\frac { ( 15 + \sin ( 1 ) - \cos ( 4 ) ) } { 2 }
B) (17+cos(1) cos(4) ) 2\frac { ( 17 + \cos ( 1 ) - \cos ( 4 ) ) } { 2 }
C) (15+cos(1) cos(4) ) 2\frac { ( 15 + \cos ( 1 ) - \cos ( 4 ) ) } { 2 }
D) (15+sin(1) sin(4) ) 2\frac { ( 15 + \sin ( 1 ) - \sin ( 4 ) ) } { 2 }
E) (17cos(1) +cos(4) ) 2\frac { ( 17 - \cos ( 1 ) + \cos ( 4 ) ) } { 2 }

Correct Answer:

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