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Find the Work Done by F Over the Curve in the Direction

Question 94

Multiple Choice

Find the work done by F over the curve in the direction of increasing t.
- F=3yi+zj+(4x+3z) k;C:r(t) =ti+t2j+t,0t2\mathbf { F } = 3 \mathrm { y } \mathbf { i } + \sqrt { \mathrm { z } } \mathbf { j } + ( 4 \mathrm { x } + 3 \mathrm { z } ) \mathbf { k } ; \mathrm { C } : \mathbf { r } ( \mathrm { t } ) = \mathrm { t } \mathbf { i } + \mathrm { t } ^ { 2 } \mathbf { j } + \mathrm { t } , 0 \leq \mathrm { t } \leq 2


A) W=22+202W = 22 + 20 \sqrt { 2 }
B) W=31+202W = 31 + 20 \sqrt { 2 }
C) W=22+1625W = 22 + \frac { 16 \sqrt { 2 } } { 5 }
D) W=0W = 0

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