Solved

Calculate the Arc Length of the Indicated Portion of the Curve

Question 128

Multiple Choice

Calculate the arc length of the indicated portion of the curve r(t) .
-r(t) = ( 7t sin t + 7 cos t) i + ( 7 t cos t - 7 sin t) j ; -2 $\le$ t $\le$ 5

A) 73.5
B) 101.5
C) 203
D) 147

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