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Find the Length of the Indicated Portion of the Trajectory ≤\le

Question 13

Multiple Choice

Find the length of the indicated portion of the trajectory.
-r(t) = ( 2cos t) i + ( 2sin t) j + 5tk, 0 ≤\le t ≤\le π\pi /2


A) Find the length of the indicated portion of the trajectory. -r(t) = ( 2cos t) i + ( 2sin t) j + 5tk, 0 \le t \le \pi /2 A) \pi B) \pi C) \pi D) \pi π\pi
B) Find the length of the indicated portion of the trajectory. -r(t) = ( 2cos t) i + ( 2sin t) j + 5tk, 0 \le t \le \pi /2 A) \pi B) \pi C) \pi D) \pi π\pi
C) Find the length of the indicated portion of the trajectory. -r(t) = ( 2cos t) i + ( 2sin t) j + 5tk, 0 \le t \le \pi /2 A) \pi B) \pi C) \pi D) \pi π\pi
D) Find the length of the indicated portion of the trajectory. -r(t) = ( 2cos t) i + ( 2sin t) j + 5tk, 0 \le t \le \pi /2 A) \pi B) \pi C) \pi D) \pi π\pi

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