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Calculate the Arc Length of the Indicated Portion of the Curve

Question 102

Multiple Choice

Calculate the arc length of the indicated portion of the curve r(t) .
-Following the curve r(t) =5ti+(12cost) j+(12sint) kr ( t ) = 5 t i + ( 12 \cos t ) j + ( 12 \sin t ) k in the direction of increasing of arc length, find the point that lies 26π26 \pi units away from the point where t=0t = 0 .


A) (10π,0,0) ( 10 \pi , 0,0 )
B) (10,12,0) ( 10,12,0 )
C) (10π,12,0) ( 10 \pi , 12,0 )
D) (10π,0,12) ( 10 \pi , 0,12 )

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